The valves in the heart open and close to move blood in between heart chambers. O a) three directions O b) two directions O c) four directions d) one direction

What information is NOT necessary to find the area of a circle?a.pic.diameterb.radiusd.height Helpp :)) no links okey For this problem, carry at least four digits after the decimal in your calculations. Answers may vary slightly due to rounding. A random sample of 5240 permanent dwellings on an entire reservation showed that 1613 were traditional hogans. (a) Let p be the proportion of all permanent dwellings on the entire reservation that are traditional hogans. Find a point estimate for p. (Round your answer to four decimal places.) (b) Find a 99% confidence interval for p. (Round your answer to three decimal places.) What is the lower limit? What is the upper limit? Schell Company manufactures automobile floor mats. It currently has two product lines, the Standard and the Deluxe. Schell has a total of $25,740 in overhead. It currently uses a traditional cost system with overhead applied to the product on the basis of either labor hours or machine hours. Schell has compiled the following information about possible cost drivers and its two product lines:Schell Company Total Quantity/Amount Consumed by Standard Floor Mat Line Quantity/Amount Consumed by Deluxe Floor Mat Line1,170 labor hours 740 labor hours 430 labor hours7,000 machine hours 2,900 machine hours 4,100 machine hoursRequired:a. Suppose Schell uses a traditional costing system with direct labor hours as the cost driver. Determine the amount of overhead assigned to each product line.b. Suppose Schell uses a traditional costing system with machine hours as the cost driver. Determine the amount of overhead assigned to each product line. Simplify 2m^2 2m + 3m^2 What led to the Great Migration, which occurred between 1910 and 1920? how many moles of oxygen atoms are present in 0.4 moles of oxygen gas Farah is x years old. Ibtisam is 3 years younger than Farah. Muna is twice as old as Ibtisam. Write and expression in terms of x, for (a) Ibtisam's age, (b) The sum of their three ages, giving your answer in its simplest form. Which two things about the hawk are correct? A It was the hunter's favorite hawk. B It was the only pet the hunter had. C It was trained to hunt. D It was twice the size of most hawks. It was an unusual color. The number of pounds of one-dollar-a-poundcoffee needed to mix with 80 pounds of 70 apound coffee to make a mixture worth 84 apound is(A) 70(B) 80(C) 95(D) 65 The point A(8,4) is reflected over the origin and its image is point B. What are the coordinates of point b? "What would happen if we waited a week before trying this idea?" What kind of language is this?A. BlockingOB. SpeculativeOC. HypotheticalOD. Exploratory define glandular system HELP ME PLEASE FASSTWhich of the following describes a scenario that could increase the winds of the jet stream? O Faster global convection currents O Decreasing radiation from the sun O Equal heating of the Earth's surface O Stopping conduction from the ground Jobs contends that you need to love what you do in order to be great at it. Do you agree or disagree? Why Can somebody help me Which school faculty member should you talk to about enrolling in an APcourse? Country A and Country B have had an informal trading arrangement for many years wherein merchants on the border of the countries may freely trade goods without the restriction of fees. Which of the following is true?a. The government of Country A may not arbitrarily begin to charge fees for items brought in from Country B.b. Country A and Country B have a binding agreement to this arrangement under customary international law.c. Country A and Country B have no binding agreement under customary international law.d. More than one response is correct. a grocery store buys boxes of cereal for $ 2.00 each and sells them for 50% more. what does the grocery store charge its customers for each box of cereal? Which of the following statements best describes Rome's expansion into theMediterranean region?