A tank can hold 30,000 gallons of water. If 500 gallons of water are used each day, write the equatuon that represents the amout of water in the tank x days after it is full.

Sue has 18 sweets. Tony also has 18 sweets Sue gives Tony x sweets. Sue eats 5 of her sweets. Tony then eats of her sweets. Write expressions for the number of sweets Sue and Tony Now have.

2x-4 (3y-2x) - 6y simplify using distribution

Mary's thinking of 3 consecutive even integers, X, Y, and Z. 3 times the value of Z exceeds half the value of X by 37. What's the value of Z

How to determine rectilinear area

Which expression is equal to x^2+16

Mr. Smith bought 5 movie tickets. The total cost was $38.75. How much did each ticket cost?

There are 32 marbles in a jar. 12 of the marbles are red, and the rest of the marbles are blue. What is the ratio of red marbles to blue marbles in the jar?

What number would you put in a matrix to represent a term that is missing in the original equation?

The sales tax in the town where Amanda lives is 7%. Amanda paid $35 in sales tax on a new stereo. What was the price of the stereo?

1/15y^9 For the result to be equivalent to the original expression, can it be defined at y=0?