What's 9x9cause I'm having troubles

How can you find f (3) if f (x) = - 2x2 - 4?

Which expression represents the volume, in cubic units, of the composite figure? One-third (8) (6) (6) + (8) (6) (4) One-third (8) (6) (10) + (8) (6) (4) (8) (6) (4) - (One-third) (8) (6) (6) (8) (6) (4) - (One-third) (8) (6) (10)

Solve the system of equations algebraically. 3x-3y=6 6x-7y=5 a. (8,8) b. (9,7) c. many solutions d. no solution

A pair of dogs eat 1/2 a bag of dog food every 2 months. How much of a bag of dog food do they eat each month

Dessie is training for a triathlon she runs 4 miles for every 9miles she bikes at the end of her training she has run a total of 92 miles how many total miles did she bike and run

Tommy buys a sweater that is on sale for 40% off the original price. The expression p - 0.4p can be used to find the sale price of the sweater, where p is the original price of the sweater.

Little mommy laughed and love baby doll list price: 49.99 price: 39.99 what percent is this toy on sale for?

How do I solve n x 43.50 = 435

Ewen has 48 white tiles and 16 blue tiles. The cost of each white tile was £2 and the cost of each blue tile was £4 work out the ratio of the total cost of the white tiles to the total cost of the blue tiles

Ms. tran has 1/3 of a tank of gas in her car. if the tank holds 14 1/3 gallons sbout how much does she have?