Solve each equation by substitution y= -2x+14 y=5x-7

Handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony?

Write as a product: ac^2–ad+c^3–cd–bc^2+bd

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42