The wheels on Jessica's bike are 64 inches in circumference. How many times do the wheels rotate if Jessica rides 300 yards?

Can someone check if i did this right since i really want to make sure it’s correct. if you do you so much

Elizabeth claims that the fourth root of 2 can be expressed as 2^m since (2^m)^n = 2. find the values of m and n for the case where elizabeth's claim is true.

Suppose the equation ||x-a|-b|=2008 has 3 distinct real roots and a not =0. find the value of b.