System of equations

-6x + 2y = 38

6x - 8y = - 44

What is 5 (2x+1) = 4-2 (4x-5)

what is the surface area of a cube cube with Edge length equals 4.5 what is the surface area of the cube

If tan 0=1/3 find cot 0.

A large drink casts 50 cents more than a small drink. Write an expression for the total costs of small drinks and 3 large drinks.

Select all the statements that correctly describe the solutions to this system of equations? 2x-y = 0 x+y=9

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.