Which line segment is a radius of K?

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

Simplify. 3(4+4x) (type your answer in with no spaces)

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.