You are going shopping. You are given 40 dollars to buy clothing. You buy 5 shirts, and one pair of pants. The pants cost 10 dollars. If you spent all
40 dollars, how much was each shirt?

A80-foot piece of siding is cut into three pieces so that the second piece is four times four times as long as the first piece and the third piece is five times as long as the first piece. if x represents the length of the first piece, find the lengths of all three pieces.

Solve the inequality and graph 6j - 7 < 5

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