A ball is thrown straight up, from 3 meters above the ground, with a velocity of 14 m/s. When does it hit the ground? y =- 5(x – 1.4)2 + 12.8

2(2x + 3) = -4 + 2(2x + 5)

4x + 6 = -4 + 4x + 10

4x + 6 = 4x + 6

4x - 6 + 6 = 4x - 6 + 6

4x = 4x

x = x

unlimited solutions.

answer: two angles are called supplementary if they add up to 180°. example: the two angles (140° and 40°) are supplementary because they add up to 180°.

step-by-step explanation:

idk what the heck he answer is, i’m just putting this here so i finish my account