You use about 15 gallons of water when you shower. If you take 20% less time when you shower, estimate how many gallons of water you would use in a week if you took a shower a day.

a. 100

b. 85

c. 40

d. 20

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If angle a has a measurement of 42 degrees and is complentary to angle b, what's the measure of angle b?

Find the median. 12, 8, 5, 6, 1, 10, 13, 11

Alexis spends 4 hours a day watching tv. how many seconds does she watch tv in a week

Does any two square prime number have to be even

7n=30 what is the n

The height of a cylinder is twice its radius. A sphere whose radius is 2 inches less than the radius of the cylinder is carved out of the cylinder.

What is the product of (7 + the square root of 8) (4 + the square root of 5) ? Simplify your answer. A - 28 + 10 square rooted B-56+2 square rooted C-56+10 square rooted D-280+4 square rooted

Evaluate 6x-y given thatx-14 and y-7

A tank contains 60 lb of salt dissolved in 400 gallons of water. A brine solution is pumped into the tank at a rate of 4 gal/min; it mixes with the solution there, and then the mixture is pumped out at a rate of 4 gal/min.