Awater tank is leaking at a rate of 6 gallons per hour.

at that rate, how many gallons of water will leak in 3 hours?

a.
2 gallons

b.
3 gallons

c.
9 gallons

d.
18 gallons

What is the greatest number of parts of a circle that can be formed by cutting the circle with 7 straight cuts? (note: the parts do not have to be equal in size)

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.

How can writing phrases as algebraic expressions you solve problems?