1. Write the ratio in the simplest form. (1 point)
45:15
9:3
3:1
1:3
4:1

Which of the symbols correctly relates the two numbers below check all that apply 6? 6

10 ! in a race, nick is 50 feet in front of jay after ten seconds. how fast can nick run, if jay can run 20 feet per second?

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.