6.3in
14.7
8.4in
how do you get the volume of the triangle?

Based on what i know about mean, this doesn't add up.

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Aprojectile is thrown upward so that its distance above the ground after t seconds is given by the function h(t) = -16t2 + 704t. after how many seconds does the projectile take to reach its maximum height?