At a library book sale, there is one price for hard back books and one price for paperback books and one price for paperback books. Last week, 70 hardbacks and 120 paperbacks were sold for a total of $165.This week ,80 hardbacks and 180 paperbacks were sold for a total of $210.Write a system of equations that can be solved to find h, the price of dollars for each hard back book, and p, the price in dollars for each paperback book

the answer is d

step-by-step explanation:

depends on how many days you are talking about

step-by-step explanation:

answer: the distance

step-by-step explanation:

to calculate the distance d of a line segment with endpoints (x1, y1) and (x2, y2) use the formula d (x2 x1)2 (y2 y1)2. to calculate the midpoint of a line segment with endpoints (x1, y1) and (x2, y2) use the formula

a) 0

step-by-step explanation:

i^413 x i^0 = 0 as any number multiplied by a zero is

happy to

pls mark as brainliest.