Two lines that do not intersect are skew. a. always/ b. sometimes/ c. never

Awater tank holds 18000 gallons. how long will it take for the water level to reach 6000 gallons if the water is used at anaverage rate of 450 gallons per day

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)

The price of a dozen eggs was $1.63. suppose the price increases m dollars per dozen and then the price decreases $0.12 per dozen. which expression represents the current price of eggs after the two price changes?