What reciprical power would you use to cancel the rational exponent 1/3

Franco wants to double the volume of the cone. what should he do?

Meg constructed triangle poq and then used a compass and straightedge to accurately construct line segment os, as shown in the figure below, which could be the measures of angles pos and angle poq?

What is the value of x in this triangle? a. 53° b. 62° c. 65° d. 118°