If xy = a and x2 + y2 = b, which of the following is equivalent to 9b – 18a ?
a) (3x – 3y)2
b) (3x – 6y)2
c) (9x – 9y)2
d) (9x – 18y)2

Find parametric equations for the line. (enter your answers as a comma-separated list of equations. let x, y, and z be functions of t.) the line in the direction of the vector 5 i + 5 j − 6k and through the point (−4, 4, −2).

How do i put 3(x+7) in distributive property

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply