Differentiate each of the following, where
a, b and c are constants, with respect to x.
(a) 5ax² + 3bx3 + 5

Agrain trader buys the following amounts from three suppliers: 3,200 pounds, 5,100 pounds and 700 pounds. what is the total weight of his purchase?

What is the binomial expansion of (2x-3)^5

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