Work out the surface area of this sphere leave your answer in terms of t 5cm

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

What is the slope of a line that is perpendicular to y = 3x + 1

Cass decided to sell game programs for the hockey game. the printing cost was over 20 cents per program with a selling price of 50 cents each. cass sold all but 50 of the programs, and made a profit of $65. how many programs were printed? letting p represent the number of programs printed, set up an equation that describes this situation. then solve your equation for p.