What is the solution to the system of equations?
o (-20, 10)
o ()
o (10,4)
o (4, 10)

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 value. a. 0.003 b. 0.03 c. 0.3 d. 3

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?