Good Morning! Easy Question What is my circumference?

Radius: 2 In.
Diameter: 4 In.

PLEASE HELP!!!

Find |−5|. a. −5 b. 5 c. one-fifth d. –one-fifth !

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

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?