If a cylinder has a surface area of 59 square inches and its radius is 2.1 inches, how tall is the cylinder in inches? round to the nearest tenth.

What is the measure of angle tvu shown in the diagram below

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

What’s a definition for a polygon inscribed in a sphere ?