73+55=52+n what does n equate?

Benny has 102 basketball cards. Jesse has 909 basketball cards. How much more does Jesse have than Benny?

A school principal ordered 1,000 pencils. He gave an equal number to each of 7 teachers until he had given out as many as possible. how many pencils were left.

Make n the subject of the formula a=mn 10

Two people can complete a job in 4 hrs. How long will it take for 4 people to complete the same job? Is this proportional?

Find the perimeter of the parallelogram with these vertices. (-2, 2), (-2,-2), (3,-2), (3, - 6)

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.