What is the solution of - 2x-y=1 and - 6x = 3y+3

How do you solve 3 over 4 •-3 - 2.5

What is the expanded form for 4.3

If Mary has a 77% in her class and she gets an 80% on a test that is worth 30% of her grade, what is her grade in the class?

simplify and write in standard form. then classify the polynomial by degree and number of terms (9w-4w^2+10w) + (8 w^2+7+5w)

How much does a 100 degree angle turn through

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.