Which expression is equivalent to 8x^3-64 when factored completely? A (2x - 4)(4x^2 + 8x + 16)
B (2x - 4)(4x^2 - 8x + 16)
C (2x + 4)(4x^2 + 8x + 16)
D (2x + 4)(4x^2 + 8x - 16)

In the equations, a and b represent the price per night for a room in hotel a and hotel b, respectively, w weeks after september 1 last autumn. what was the price per night in hotel a when it was equal to the price per night in hotel b? a = 240 − 20w b = 320 − 30w

Let w=23 . what is the value of w + 45 ?

Aline has a slope of and a y-intercept of –2. what is the x-intercept of the line?