The sum of 2 consecutive numbers is 45

Find the zeros of each function. f(x) = x^2 + 5x - 6

Acomputer store buys a computer system at a cost of $370.80. the selling price was first at $ 618, but then the store advertised a 20 % markdown on the system. answer parts a and b. a. find the current sale price.

Solve this problem! extra ! 3025/5.5 = a/90.75