what structures protect the cell? can someone tell me quickly.

Tm x, y sao cho: B=-x^2+2xy-4y^2+2x+10y-8 Multiple Choice Question Which of the following operations is true regarding relative frequency distributions? Multiple choice question. No two classes can have the same relative frequency. The sum of the relative frequencies must be less than 1. The sum of the relative frequencies is equal to the number of observations. The relative frequency is found by dividing the class frequencies by the total number of observations. What term refers to the use of sign language to educate the Deaf?OA.American Sign LanguageQB.American Manual AlphabetO C. fingerspellingO D.Manualism What is the slope of the line passing through the points (-3, - 5) and (-1,6)? (URGENT) why beta carbon hydrogen is easily replaceable but not alpha carbon hydrogen This was an army, trained to fight on horsebackor, where the ground required, on foot. They camewith dawn over that terrain like the leavesand blades of spring. So doom appeared to us,dark word of Zeus for us, our evil days.My men stood up and made a fight of itbacked on the ships, with lances kept in play,from bright morning through the blaze of noonso holding our beach, although so far outnumbered;but when the sun passed toward unyoking time,then the Achaeans, one by one, gave way.Which stage of the heros journey is represented in this passage?the return homethe road of trialsthe transformationthe call to adventure Couldnt figure this out help please Eleanor's mother does not want to leave her grandparents' house. What evidence supports this statement? SOMONEEeeeee HELPP MEEE OUTTTT!!! elena sews a ribbon across the bottom of a scarf that is one yard long .she has sewed 3/8 yard of ribbon so far.how much more ribbon does she need to sew to finish the whole scarf? On a Job application Doris gave her age as 32 years. Her actual age at the time was about 27. What is the relative error fo her age? Translate the following sentence into an algebraic inequality:The difference of twice a number, x, and eleven is, at most, the sum of twenty and a number, x.Question 4 options:A) 2x11 20 xB) 9x 20 + xC) 2x + 11 20xD) 2x 11 20 + x Help please i beg someone answer and explain Identify each of the following half-reactions as either an oxidation half-reaction or a reduction half-reaction. half-reaction identificationCu+(aq)--->Cu2+(aq) + e- _________I2(s) + 2e--->2I-(aq) _________ What is Interpersonal skill in businessmanagement ? Which characteristics should a text have to be relevant? Check all that apply.1.It should be believable.2.It should be current.3.It should be distinctive.4.It should be new.5.It should be topical. What is the answer and the way of writing method for 4.15 3.85 Evaluate The length of a rectangle is 2 cm longer than its width.If the perimeter of the rectangle is 36 cm, find its area. Single Plantwide Factory Overhead Rate Kennedy Appliance Inc.s Machining Department incurred $159,500 of factory overhead cost in producing hoses and valves. The two products consumed a total of 5,500 direct machine hours. Of that amount, hoses consumed 2,800 direct machine hours. Determine the total amount of factory overhead that should be allocated to hoses using machine hours as the allocation base. $fill in the blank 1 Select the correct answer.Read the adapted excerpt from Gullivers Travels by Jonathan Swift.Soon after, I heard a general shout, with frequent repetitions of the words Peplom selan, and I felt great numbers of people on my left side, relaxing the cords to such a degree that I was able to turn upon my right, and to get a little ease. But, before this, they had daubed my face and both my hands with a sort of ointment very pleasant to the smell, which, in a few minutes, removed all the smart of their arrows. These circumstances, added to the refreshment I had received by their victuals and drink, which were very nourishing, disposed me to sleep. I slept about eight hours, as I was afterwards assured; and it was no wonder, for the physicians, by the emperor's order, had mingled a sleepy potion in the drink.Which choice best identifies the main idea for a summary of the excerpt?A. There are several people untying the cords and bringing food and drink.B. The narrator is injured and ends up sleeping due to the tonic he drinks.C. The narrator gets some relief and care by those who had bound him.D. There is a lot of commotion as they all rush to care for the narrator.