simplify -3 p^3 + 5 p + (-2 p^2 ) + (-4) - 12 p + 5 - (-8 p^3 ). select the answer in descending powers of p .

a- 1 - 7 p - 2 p^2 + 5 p^3
b- p^3 - 2 p^2 - 7 p + 1
c- 1 + 7 p + 2 p^2 - 5 p^3
d- -5 p^3 + 2 p^2 + 7 p + 1

because linear equations are a lot simpler than quadratics equations, and linear equations formula is a lot easier to memorize. that's why i think they're harder.

answer: plz give a pic and answer choices so i can answer!

step-by-step explanation:

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:

step-by-step explanation:

let pq = qr = rs = x, and xz = y and zu = z.

if the horizontal lines are parallel, then corresponding segments are in proportion:

substitute:

therefore 3 = y = z.

xu = y + z → xu = 3 + 3 = 6