What is 63/8 in simplest form

Wich statement could be used to explain why the function h(x)= x^3 has an inverse relation that is also a function

I’m confused on how to work the pie charts

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.