Evaluate the expression of x = -5 and y = 12

-24

Step-by-step explanation:

PLUG AND CHUG

When you see a X, replace that value with that x=-5 number

When you see a y, replace that value with that y=12 number

2(-5)^2 + 2(3(12) - 1) - (12)^2

Use P.E.M.D.A.S.

well if he bought them at 5 cedis each sold them at 7 cedis each then he would make a profit of 2 cedis of each book. if in total he made 150 cedis profit that means he sold 75 books. he lost 12 books at the start so that means he originally bought a total of 82 books.

step-by-step explanation: