Three runners run along a 1.5 mile trail one saturday
morning. the graph shows the runners' locations
starting at 9: 00 a. m.
use the graph to answer the questions.
who is at the trail start at 9: 00 a. m.?
who runs fastest?
when do andy and berta cross paths?
who is closest to the 1.5 mile mark after 6 minutes?

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