Mrs. barrett will be serving 40 people at lydee’s birthday party. she plans to make three meatballs for each person. mrs. barrett spent $39.00 at the store on the meat, which sells for $3.25 per pound. if mrs. barrett wants to make all the meatballs the same size, what will be the size, in pounds, of each meatball? be sure to show and explain all of your work to receive full credit.

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