)you play basketball at a local ymca indoor stadium. you have two payment options . option a is to buy a membership card and pay $2 each time you go to the gymn. option b is to pay $4 each time you go. a membership card costs $20 . after how many times will the cost of option a be equal of option b?

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