A bookstore has a bargain table where every book is the same price. In addition, the bookstore gives 20% off every 5th book purchased from the bargain table. Write an expression to represent the total cost of
purchasing 5 books in two different ways.

Tracy solved the following problem. which of the statements is true? 9 ÷ 3 + 6 × 2 3 + 6 × 2 9 × 2 18 her answer is correct. her answer is incorrect. she should have multiplied before dividing. her answer is incorrect. she should have multiplied before adding. her answer is incorrect. she should have added before dividing.

Simone claims the initial value and y-intercept are the same thing on a graph. is she correct? if you know that a line has a slope of and a y-intercept of 7, what is the equation for that line in slope-intercept form?

Find the condition that the zeros of the polynomial f(x) = x^3+3px^2+3px+r may be in a. p.