Find the product of (x − 7)2 and explain how it demonstrates the closure property of multiplication.

x2 − 14x + 49; is a polynomial
x2 − 14x + 49; may or may not be a polynomial
x2 − 49; is a polynomial
x2 − 49; may or may not be a polynomial

Select the number of ways in which a line and a circle can intersect

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π

If on=8x-8,lm=7x+4,nm=x-5,and ol=3y-6