A water tank has 80 gallons of water at a leaking rate of 2 gallons per hour. Using H to represent the number of hours, write a expression that would calculate the amount of water remaining after H hours.

One expression below in undefined, and the other expression has a well defined value. which expression is undefined and explain why it has no value. which expression is defined? what is the value of that expression and how do you know? what is a different expression using a trig inverse function that is also undefined?

What is this inequality notation? t is less then or equal to 2

The solution set for 5v2 – 125 = 0 is