A fish tank holds 90 gallons of water is 40% full. How many more gallons are needed to fill the tank?

What are the constants in this expression? -10.6+9/10+2/5m-2.4n+3m

The holiday party will cost $160 if 8 people attend.if there are 40 people who attend the party, how much will the holiday party cost

Asandwich shop has 18 tables. each table seats up to 4 people. to find the greatest number of people that can be seated, you can solve p4 ≤ 18. which step is the best way to solve the inequality? plz asap i repeat plz