The height of a ball above the ground after it is thrown upwards (initial velocity) at 40fps can be modeled by the function h(t)=-16t^ 2 +v 0 t+h 0 ( pts) a) At what time(s) is the ball 15 feet above the ground? b) How long will the ball stay in the air?

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?

Given: lines a and b are parallel and line c is a transversal. prove: 2 is supplementary to 8 what is the missing reason in the proof? statement reason 1. a || b, is a transv 1. given 2. ∠6 ≅ ∠2 2. ? 3. m∠6 = m∠2 3. def. of congruent 4. ∠6 is supp. to ∠8 4. def. of linear pair 5. ∠2 is supp. to ∠8 5. congruent supplements theorem corresponding angles theorem alternate interior angles theorem vertical angles theorem alternate exterior angles theorem

Can you me find the slope! (30 points)