In the function f (x) what is f (3)

A circle has the equation (x-13) 2 + (y-1) 2=4. A: What is the center of the circle? B: What is the radius of the circle?

If you is 8, what is the value of x?

Solve this system of equations using any method. 3x - y = 4 x + 2y = 13

Change 39/25 to a percent

O triplo de um número, menos 10 é igual ao próprio número mais 70. Qual é esse número?

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.