ANSWER FAST! TIMED TEST!

Find the equation of the ellipse with foci at (8,0) and (-8,0) and a vertex at (12,0)

Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (–3)·(–2x) + (–3)·(4) step 2: 12 + 6x + (–12) step 3: 12 + (–12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition

Which value of c would make he following expression completely factored? 8x+cy

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)