3. which circle has the greater radian rotation shown below? justify your answer30 cm11 inb20 cm

Students are given 3 minutes for each multiple-choice question and 5 minutes for each free-response question on a test. there are 15 questions on the test, and students are given 51 minutes to take it. how many multiple-choice questions are on the test?

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.

Find the rate of change for the situation. you run 7 miles in one hour and 21 miles in three hours.