Mathew traveled 220 miles in 4 hours. if he continues at the same rate, how many miles will matthew travel in 10 hours

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

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

Rewrite so the subject can be y in the formula d=m-y/y+n