The rules of exponents indicate that   xx2-4{“version”:”1.1″…

The rules of exponents indicate that   xx2-4{“version”:”1.1″,”math”:”xx2-4″} can be simplified to xa  where a is  a   is a real number. What is the correct value of a ? Only type the number in the blank below. If a is a fraction, write it using the slash. For example, 57=5/7{“version”:”1.1″,”math”:”57=5/7″}.  _______

A swimming pool had 500 gallons left in it over the winter….

A swimming pool had 500 gallons left in it over the winter. The capacity of the pool is 3000 gallons and in the spring it is filled with water at a rate of  8 gallons per minute. If the function V(x)=mx+b gives the volume of the pool as a function of time, then what is the value of m?