100 points !
write an equation that represents the following word problem. the average teenager spends 2.9 hours a day watching television. how much time do they spend each week watching television?

a. w = 2.9 ÷ 7
b. w = (2.9)(7)
c. 2.9w = 7
d. 7w = 2.9

Answer asap ill give ! ’ a sample of radioactive material decays over time. the number of grams, y , of the material remaining x days after the sample is discovered is given by the equation y = 10(0.5)^x. what does the number 10 represents in the equation? a. the half-life of the radioactive material, in days b. the amount of the sample, in grams, that decays each day c. the time, in days, it will take for the samples to decay completely d. the size of the sample, in grams, at the time the material was discovered

If you eat 4 medium strawberries, you get 48% of your daily recommenced amount of vitamin c. what fraction of your daily amount of vitamin c do you still need?

Explain how you can show five less than a number using an algebraic expression