a community center charges x dollars for a summer activity if individuals are signed up before the day of the activity. individuals who sign up the day of the activity are charged a fee of x plus 0.20 x dollars. which expression also represents the fee for signing up the day of the activity, and what does it mean about the fee?

Which fraction is not equivalent to 8/12 a. 2/3 b. 24/36 c. 4/10 d. 6/10

Combine the information in the problem and the chart using the average balance method to solve the problem.

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