21. ALGEBRA Rafael Ramirez is the lead food and beverage supervisor at a small restaurant. He is paid $14.40 an hour for a regular 40-hour week. His overtime pay is
$912.60 in total pay. How many hours of overtime did he work?
12 times his regular hourly rate. This week Rafael earned
A. 8
B. 10
C. 14
D. 16

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