The Wilson Park Pool has 80,000 gallons of
water that is being
drained at a rate of 4,000
gallons per day. How
many days has the pool
being draining if the
water level is at 68,000
gallons?
write and solve the equation

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6