Help me again pls and who ever gets it correct gets 20 points plus brainliest

The verbal translation for the difference of m and 7 increased by 15

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

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%