What is a Formulas? Explain?

5•x = 12 solve the equation

Simplify: (7x^2 - 5x + 2) - (-3x^2 + 8x - 4)

What is the coefficient of q in the sum of (2q - 3) and (-1q - r) ?

Ivanna is staining the wooden floor of a court. The court is in the shape of a rectangle. It's length is 51 feet and it's width is 32 feet. Suppose each can of wood stain covers 102 square feet. How many cans will she need to cover the court?

70 pennies decreased by 30%

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.