Isabella, the owner of an e-commerce site, buys lawn mowers for $32 and then sells them on her site for $40. What is the mark-up, as a percentage?

Which graph represents an even function?

How are sas and sss used to show that two triangles are congruent?

Which part of a 2-column proof is the hypothesis of the conjecture? a) given b) reasons c) prove d) statements ! i think it's b but i'm not quite