the principle of proportion states that the product of the means is equal to the product of the .

Solve the system of equations. y= 2x y= x^2 - 15

In a column proof the right column states your reasons

As a self-employed seamstress, you know that it takes 7 yards of material to make 3 jackets. you bought 15 yards of material to make 7 jackets. did you buy enough material? if not, how much were you over or under?