9. Reed, Riley, Ean, and Michael want to run a race against each other. They start on the 20 yard line of the football field and finish at the 50 yard line. The times for them to
complete the race are listed in the table.
Reed
4 seconds
Riley
5 seconds
Ean
6 seconds
Michael
10 seconds
Which of the boys ran the race at an average speed of 5 yards per second?

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