What is numerical expression?

Three less than 11 times the sum of 9-2

An Eggscellent Problem In Ginoni's farm shop, you can buy her freerange hens' eggs in boxes of 4, 6, 9 or 20. This means, for example, that you can have 21 eggs by buying two boxes of 6 and a box of 9.

The equation of a line is 5x - 2y + 10 = 0. How do you write it in the form: y=mx+b?

An exponential decay function represents a quantity that has a constant halving time. true or false?

Two thirds of a number subtracted from 25

Each unit on the coordinate plane represents one block. Donna is at Town Hall. She walks 7 blocks left and 2 blocks up to get to the store. Which ordered pair describes the location of the store? A. (0, - 2) B. (-7, 2) C. (-3, - 2) D. (3, 2)

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.