What angle is an x-intercept for the function y=cos (1/2x)

Cherie measures and records the lengths and sizes of the same style of a sandal found at a shoe store. which equation can be used to determine the approximate shoe size, s, for a foot length of x inches? s = x – 2 s = 2x – 10 s = x + 6 s = 2x + 4

What is the slope simplify your answer and write it as a proper fraction, improper fraction, or integer

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16