Abaseball team plays in a stadium that holds 55,000 spectators. with ticket prices at , the average attendance had been 27,000. when ticket prices were lowered to , the average attendance rose to 33,000. (a) find the demand function, assuming that it is linear. (b) how should ticket prices be set to maximize revenue?

Mrs. avila is buying a wallpaper border to go on all of her kitchen walls. she wants to buy 5 extra feet of wallpaper border than she needs to be sure she has enough. she buys 55.5 feet of the border. the store owner selling the border uses the width of mrs. avila's kitchen to determine that the length of her kitchen must be 14.5 feet.

Solve for x in the equation x2 - 12x + 36 = 90. x= 6+3x/10 x=6+2/7 x= 12+3/22 x = 12+3/10

How many quarts of a 50% solution of acid must be added to 20 quarts of a 20% solution of acid in order to get a 40% solution of acid?