Suppose that 18 inches of wire costs 54 cents. at the same rate, how much (in cents) will 36 inches of wire cost?

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

Find the center and the radius of the circle with the equation: x^2-2x+y^2+4y+1=0?

The diagram represents the polynomial 4x2 + 23x – 72. what is the factored form of 4x2 + 23x – 72? (4x + 8)(x – 9) (4x – 8)(x + 9) (4x + 9)(x – 8) (4x – 9)(x + 8)