Car A is traveling at a speed of 61 mph and is
increasing its speed 0.2 mph each second. Car B
is traveling at a speed of 75 mph and is
decreasing its speed 0.5 mph each second. After
how many seconds will the cars be traveling the
same speed, and how fast will they be going?

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