When combining like terms what is - 7m + 9 - 5m?

17 1/3 + (-50 1/3) - 5 1/2

Mr and Mrs Smith each have a car. Mr Smiths car has needed 6 tyres and 2 batteries since new. Mrs Smiths car has needed 9 tyres and 1 battery. a. How many tyres and batteries have the smiths needed together? b.

Annabelle spent $5 to buy 4 raffle tickets. how many tickets can she buy for $20

Triangle abc have 3 angle the angle measure for each is, angle A equal 60, angle B equal 40, and angle C equal 80. Which side is the longest

396.9611565 round to the nearest whole unit

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.