Which of the following statements is true?
1 Incandescent light bulbs are almost 100 percent efficient.
2 Endothermic reactions release heat.
3 Heat is considered "lost" energy because it cannot be used for work.
4 An electric drill gains energy in the form of heat and sound.

given f(x)=2x^3+kx-9 and x-1is a factor of f(x), then what is the value of k? solve for x in the triangle!!! PLEASE HELP ME I REALLY NEED HELP Find all of the rational zeros of the function. f(x)=x 4 3x 3 6x 2 +6x+8 #1 Twenty five members of a travel club are planning their next club trip. Each memberhas ranked their choices according to the following preference schedules. Is the pluralitywinner the same as the majority winner? ________ is the only element in the marketing mix that produces revenue. Fill out the material order form with the Quantity (number of each item) and total cost forthat item (Cost Quantity). Add the totals to ensure you do not exceed $100.YOU HAVE $100 TO SPEND. NO BONUS POINTS FOR SAVING S.Use the materials carefully, as they will not be replaced if you damagethem.MaterialCost ($) QuantityCost x QuantityStraw2Paperclip (large)2.String (12")3Tooth pick3Cup5Rubber band57Tape (0.5 m)7Paper (8.5" x 11")Tissue Paper10Duct Tape(.25m)).10Cotton ball12Balloon15Paper plate15Total Cost = 11. What are the proteins used in active transport called? Help help help help help help help help help help help Use context clues to define the word in italics.In They Don't Mean It! Mary and Kim helped each other understand their cultural differences.What is the best meaning of the word cultural in the context of the story?A.religious beliefsB.customs and traditionsC.education and trainingD.language which thanksgiving side dish is also a current color of crayola crayon Assume that lines which appear to be tangent are tangent.Find the value of the? Heres a table that represents the situation. Find the cost of 1 gigabyte ITS 100 POINTS!!!! AND DO IT IN A STEP BY STEP EXPLAINATION.A proportional relationship between the number of pounds of cabbage (x) and the price in dollars (y) is graphed, and the ordered pair (5, 2) is on the graphed line.Part A: What is the price of 1 pound of cabbage? Show your work. (8 points)Part B: What does the ordered pair (10, 4) on the graph represent? Explain in words. (2 points) Noun-adjective agreement saysthat this sentence is incorrect.Why?Yo tengo ojas verdes."A. "Verdes" is masculine, and must be changedto "verdas" to match the gender of "ojas."B. This sentence is correct.C. "Ojas" does not exist. It will always be "ojos." How to write a poem for kids. How did Theodore Roosevelt affect the progressive movement? I need help ill give brainliest (Only if answer is correct)8,121 8 = R Solve:8t + 2 = 8 (4) + 2 = 32 + 2 = ?Whats the question mark? Nepal is a multi-caste and mull-linguistic nation substantiate the statement with your views