Which expression is equivalent to -4-9?

1mile equals approximately 1.6 kilometers. which best approximates the number of miles in 6 kilometers?

Simplify using positive exponents only.

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.