Find the error in the equation: please show work:
-3x^2(4x^2-5x+7)=-12x^4-15x^3+21x^2

And employee salary increased by $4500 which represents a 15% raise what is the rate of the increase

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Acourt reporter is transcribing an accident report from germany. the report states that the driver was traveling 80 kilometers per hour. how many miles per hour was the driver traveling?