A candle is a square prism. The candle is 15 centimeters high, and its volume is 960 cubic centimeters. a) Find the length of each side of the square base. b) Find the surface area of the candle. I need step by step explanation not just a answer.

Acircle has a circumference of 28.36 units what is the diameter of the circle

The management of a supermarket wants to adopt a new promotional policy of giving a free gift to every customer who spends more than a certain amount per visit at this supermarket. the expectation of the management is that after this promotional policy is advertised, the expenditures for all customers at this supermarket will be normally distributed with a mean of $95 and a standard deviation of $20. if the management wants to give free gifts to at most 10% of the customers, what should the amount be above which a customer would receive a free gift?

Find the circumference of a pizza with a diameter of 10 inches round to the nearest tenth