The histogram shows the number of cell phone calls received by medera, a middle school student, one saturday from 10 a. m. to 10 p. m.

Consider the function f(x)=-5x+3 what is f(-2)

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

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