If it costs $80,000 to put on an event and the total revenue is $250,000, what is the profit as a percentage of revenue? (Round to the nearest percent.)

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Use the quadratic formula to solve the equation. if necessary, round to the nearest hundredth. x^2 - 23 = 10x a. -1.93, 11.93 b. 1.93, -11.93 c. 1.93, 11.93 d. -1.93, -11.93

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16