A circle has a diameter of 41 centimeters. Which equation can be used to find the radius of this circle?

r=41π
r=2(41)
r=412
r=41π

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.a city water tank holds 20 gallons of water. a technician empties 25% of the tank. how many more gallons of water must be removed from thetank so that it has 5 of the water that it started with: the technician must removemore gallons of water for the tank to have 5 of the water that it started with.

How do i take any fraction and make it into a decimal or percentage?