Is 4 to 7 the same as 7 to 4? Explain why or why not

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

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