Subtract 2ab from - 2ab

The price of n tickets to a play is 9n+6dollars. What is the cost in dollars for 8 tickets to the play

A hot air balloon is launched at Kirby park, and it ascends at a rate of 7200 feet per hour. at the same time, a second hot air balloon is launched at Newman Park, and it ascends at a rate of 4000 feet per hour.

For a community bake sale, you purchase 12 pounds of sugar and 15 pounds of flour. Your total cost was $9.30. The next day, you purchase 4 pounds of sugar and 10 pounds of flour. Your total cost on the second day was $4.60.

The formula Q = MCT where Q = heat flow, M = mass, C = specific heat, and T = change of temperature is used to calculate heat flow. Solve this formula for T.

Gerod spread 8 1/7 bags of mulch around the tulips before lunch and 4 3/7 bags of mulch around the herb garden after lunch. How many bags of mulch did he use?

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.