How can I be better at algebra

In a circle, a 90° sector has area 64π ft2. Solve for the radius of the circle. A. 16 ft. B. 12 ft. C. 18 ft. D. 8 ft.

A linear function and its inverse are given. y=4x-3 y=1/4x+3/4 Which tables could be used to verify that the functions are inverses of each other? Select two options.

There are 4 muffins on each plate. there are 0 plates of lemons muffins. how many lemon muffins are there?

A store is having a sale on used video game. Each game cost $12. Write an algebraic expression to represent the cost of buying v video game identify the units for the expression.

What does the digit 5 mean in 9051 place

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.