What is the axis of symmetry of the function f (x) = - (x+9) (x-21)

Curtis wants to build a model of a 180-meter tall building. He will be using a scale of 1.5 centimeters = 3.5 meters. How tall will the model be? Round your answer to the nearest tenth.

Sarah ran 2 miles and Jaime ran 15, 840 feet. How many miles did they run together? (The conversion factor is 5280 feet/mile.) A. 10,560 miles B. 10,560 feet C. 5 miles D. none of these

Leslie drank 4/5 pint of juice and Hank drank 7/10 pint of juice. Who drank more

Thomas reads 2/9 of a book on Monday and 1/6 of it on Tuesday. He reads twice as many pages on Wednesday as on Tuesday. What fraction of the book is not read?

18=4s is equivalent to

The students at Harrison Middle School are being split into groups for a community service project. The school faculty has decided that each grade (6th, 7th, and 8th) will be split up into their own set of groups.

Several friends each had 2/5of a bag of peanuts left over from the baseball game. They realized that they could have bought 2 fewer bags of peanuts between them. How many friends went to the game?

Tammy takes a taxi home from the airport. The taxi fare is 3.10 per mile and she gives the driver a tip of 14.00. Tammy pays a total of 91.50. What is the distance in miles between Tammy home and the airport?

Which item has a unit rate of $6.50? caps: 4 for $25.00 posters: 3 for $20.25 tote bag: 4 for $30.00 T-shirts: 5 for $32.50

Choose the equations that are not linear equations. - x - y = 2, x^2 + y = 4, x/2 - y^3 = 1, x = 5