If x = -1, y = 2, &z= 1/2 then 5xy + 20z =

How many solutions does the nonlinear system of equations graphed below have?

The perimeter of a rectangle is 42 inches. if the width of the rectangle is 6 inches, what is the length

Mr. vector door is buying two new cowboy hats all together the hats cost $75.12 the second heart cost twice as much as the first hat what is the price of the more expensive at round to the nearest hundredth