Which polynomial represents the difference below?
(5х^7+9х^4+ 3) - (x^4- 3х)
А. 5х^7 + 9x^4 + 3x + 3
в. 4x^11 + 8х^3 + 3
с. 8х+6
D. 4х^7+ 8x^4 - 3x+3

Classify the following triangle check all that apply

The spotter on the ground is standing beneath the safety net. what is his distance from the base of the platform, to the nearest meter? 3 meters, 2 meters, 4 meters, 1 meter?

When solving this problem: 3025/5.5 = a/90.75 you get 49912.5 which would be the length of one of the sides of a square when the area is only 90.75 inches. is that answer correct, why, and how is it possible?