Joyce paid $42.50 for an item at the store that was 75 percent off the original price. What was the original price?

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1

2. (09.01 lc) a function is shown in the table. x g(x) −3 17 −1 −3 0 −4 2 13 which of the following is a true statement for this function? (5 points) the function is increasing from x = −3 to x = −1. the function is increasing from x = −1 to x = 0. the function is decreasing from x = 0 to x = 2. the function is decreasing from x = −3 to x = −1.

Hi i’m not sure how to do question 20 if u could explain how to do it that’d b great