Joe drove 80 kilometers per hour for 4 hours. How far did he go?

The area of a rectangle is 54x^9y^8 square yards.if the length of the rectangle is 6x^3y^4 yards,which expression represents the width of the rectangle in yards

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

If f(x)=1/x and g(x)=x+4 which of the following is the graph