Simplify.

x3·x7
x2·x3

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

You have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint? you have a 32-foot fence around a square garden. there are 4 equal sections. you paint 13 of one section of the fence. what fraction of the fence did you paint?

Compare the cost of the bike trips from the two companies shown.for both the cost in a linear function of the number of days which statements is true