How to do fractions

Simplify: (3x-1) (x²-3x+4)

W/5=w-14/9 this is a proprtion

Solve the quadratic equation by completing the square. 4x^2 + 2x - 7 = 0

Jenna bought 6 pounds of apples for $7.38. What is the unit price per pound of apples

A shoe store is selling a pair of shoes for $60 that has been discounted by 25% what was the original selling price

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.