The sum of three different number is 18 if every number is prime why would be the three number

Acd that is originally priced at $15.85 red-tagged for the sale. what is the sale price of the cd

Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2

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.