Karen recently filled up the gas tank of her 2002 Toyota Corolla after traveling 340 miles. The tank was nearby empty. How many miles per gallon did Karen get on her trip (a 2002 Toyota Corolla has a 13.2 gallon gas tank)

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