What is the value of the expression - 5x4 when x = - 2?

A.

-40

B.

40

C.

80

D.

-80

I think its D. - 80?

Find the x-intercepts for the parabola defined by the equation below. y = 3x2 + 18x + 15

A supplier sells 2 1/4 pounds of mulch for every 1 1/3 pounds of gravel. The supplier sells 172 pounds of mulch and gravel combined. how many pounds of each item did the supplier sell?

What is the slope of this line? (6.-8) (0.-2) (-2.0)

Elmer has a collection of 300300 fossils. Of these, 21/%21% are fossilized snail shells. How many fossilized snail shells does Elmer have?

Select the difference of (8x2 - 3x3) - (4x2 - 7x3).

How to explain that x/y can result in either a positive or negative quotient

Simplify 2a2b3 (4a2 + 3ab2 - ab) = ? A. 8a4b3 + 6a3b5 + 2a3b4 B. 8a4b3 + 6a3b5 - 2a3b4 C. 8a4b5 + 3a3b5 - 2a3b4 D. 8a4b5 + 3a3b5 + 2a3b4

If m squared minus 5 over 2 m equals negative 11 over 2 what does m equal

Complete the number sentence to show an example of the distributive property 3x6

What is 33 1/3% as a decimal? NOW!