For questions 1 - 5, find the sum of the polynomials. Write your answers in descending order. 1.
(3x^2- 2x +1)+(4x^2 +3x + 2)
2.
(5x^2+2x +2)+(8x^2 –5x+8)
3.
• (-2x^2 +1) +(x^2+8x-5)
4. (11x^2 – 5x) + (2x^2 +6)
5. (x^2 +5x+2) + (4x - 3)
please help me ill
give points

answer: it's a

step-by-step explanation:

circle area = pi * radius^2

if diameter = 10 then radius = 5

circle area = pi * 5^2

circle area = pi * 25

circle area = 78.5398163397 square units

step-by-step explanation:

d. it is a convex pentagon because it has five sides and none of the sides would extend into the inside of the polygon.

step-by-step explanation:

v = 1/3 a^2h

step-by-step explanation:

the volume is 1/3 a^2h.