4.5 x 5.0 multiplys ? equals 216.0cm cubed

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

Find the constant of variation for the relation and use it to write an equation for the statement. then solve the equation.

Two line segments are shown in the figure below. suppose that the length of the line along the x-axis is 6, and the length of the hypotenuse of the triangle is 10. what is the equation of the hypotenuse line (shown in red, below)?