You want to meet your friend at a park 4 mi away from your house. You are going to bike to the park at an average rate of 10 mi/h. Your friend lives 1.2 mi away from the park and walks at an average rate of 3 mi/h. How many minutes ahead of you should your friend start out so that you meet at the park at the same time?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

What is the rate for one gallon of gasoline

The weight of a radioactive isotope was 96 grams at the start of an experiment. after one hour, the weight of the isotope was half of its initial weight. after two hours, the weight of the isotope was half of its weight the previous hour. if this pattern continues, which of the following graphs represents the weight of the radioactive isotope over time? a. graph w b. graph x c. graph y d. graph z