Socks cost $5 per pair. the expression represents the cost in dollars of p pairs of socks. why must p be a whole number

The radius of the earth is two times the radius of the moon. what fraction of the volume of the earth is the volume of the moon?

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

Amir wants to proportionally increase the size of a photo to create a poster for his room. the size of the original photo is shown. complete the statement and then answer the question to represent ways that amir can increase the size of his photo.