Add the following polynomials, then place the answer in the proper location on the grid. Write the answer in descending powers of x. Find the sum of 4x^3 + 2x^2 - 4x + 3 and 7x^3 -4x^2 + 7x + 8.

1. 22

2. 1

3. 7

4. 18

step-by-step explanation

e2020 got it right

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.

if the rectangular pool has a area of 192 square ft. and length of 15 ft. you must divide 15 into 192. 192 ÷ 15 = about 13 ft.