Two students, Matt and billy , each calculated the volume of a spherical ball with a diameter of 15 centimeters. their work is shown below

Is it true or false i’m trying to pass this test so i can leave school

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

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?