Sandy throws a ball in the air in a parabolic path. the height H in meters of the ball above the ground after T seconds. this can be modeled with the function = -4t^2+40t+2. how high is his hand off the ground?
determine the time needed for the ball to reach its maximum height.
and what is the maximum height of the ball​

Simplify 5 square root of 7 end root plus 12 square root of 6 end root minus 10 square root of 7 end root minus 5 square root of 6 . (1 point) 5 square root of 14 end root minus 7 square root of 12 5 square root of 7 end root minus 7 square root of 6 7 square root of 12 end root minus 5 square root of 14 7 square root of 6 end root minus 5 square root of 7

Aline passes through 3,7 and 6,9 what equation represents the line

Given: jk ||lm prove: _2 = 27 statement justification 1. jk ||lm 1. given 2.26 = 27 3.22 = 26 2. 3. 4. _2 = 27 4. corresponding angles theorem transitive property of equality vertical angles theorem substitution property of equality