A fish tank contains 315 litres of water. It is filled from a hose at a rate of 15 litres per minute. How long does it take to fill the tank? Include the correct units in your answer.

For the following geometric sequence, find the recursive formula. {-80, 20, -5, } i need : ')

Tim's phone service charges $26.39 plus an additional $0.21 for each text message sent per month. if tim's phone bill was $31.64, which equation could be used to find how many text messages, x, tim sent last month?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2