Jada made a model of the Space Needle in Seattle for a science project. She used a scale of 2 inches = 55 feet. If her project is 22 inches tall, find the actual height of the Space Needle. *

The price of a coat increased from $78 to $92. what is the price increase percentage?

Aschool typically sells 500 yearbooks each year for 50 dollars each. the economic calls does a project and discovers that they can sell 100 more yearbooks for every $5 decrease in price. the revenue for yearbook sales is equal to the number of yearbooks sold times the price of the yearbook. let x represent the number of $5 decrease in price. if the expression that represents the revenue is written in the form r(x)=(500+ax)(50-bx). to maximize profit, what price should the school charge for the yearbooks? what is the possible maximum revenue? if the school attains the maximum revenue, how many yearbooks will they sell?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base