The 10 letters a to k leaving out stand for the digits 0 - 9 but not necessarily in that order. find which letter stands to each digit if the following sums holds: A x B = B -F x H =CJ

B x C = AC - H x J = KJ

C x D = BC - J x K = E

D x E = CH - K x G = G

E x F = DK -A x G = G

Extension

Find the missing numbers for the sum:

Recall the definition of a polynomial expression. find two polynomial expressions whose quotient, when simplified,is. use that division problem to determine whether polynomials are closed under division. then describe how theother three operations-addition, subtraction, and multiplication-are different from division of polynomials.

The function show two sisters' savings account and the rate at which they plan to deposit money

Which of the following represents the factorization of the trinomial below? x^2+7x-30