What is the volume of a cube with an edge length of 2.5 ft?

What is the value of x in the following equation. -x ^3/2 = -27

Aportion of a hiking trail slopes downward at about an 84° angle. to the nearest tenth of a flot, what is the value of x, the distance the hiker traveled along the path, if he has traveled a horizontal distance of 120 feet? a. 143.3 b. 12.5 c. 120.7 d. 130.2

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?