Abookstore sells used books for $8 each. let n represent the number of books. the cost for n books is 8 xn or 8n. what is the unknown quantity?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

The weight of a full steel bead tire is approximately 800 grams, while a fighter wheel weighs only 700 grams. what is the weight of each tire in pounds?

What is the solution for the following system of equations? use any method to solve. 2x + 8y = 4 x = -3y + 5 question 4 options: x = 14, y= -3 x = 2, y = -3 x = -3, y = -3 x = 12, y = 5