Use integers to answer each question.
a. A swimming pool drains at a rate of 45 L/min for 30 minutes.
How much water drained out of the pool?
b. The price of a house rose $35 000, dropped $38 000, then rose $16 500.
What was the total change in the price of the house?

First step is to get rid of the square root. remember that a square root is the same as raising to the (1/2) power. see below: multiply exponents per exponent rules to get: remember you subtract exponents from the denominator and add exponents in the numerator so: simplify further: so a is the correct choice. if you don't understand this google exponent rules and it will you understand. look at the image results.

It is the answers of confederation