Charlie mows lawns in his neighborhood. He charges $15 per hour. Write an equation to model this situation. Then find out how much he will make if he mows lawns for 12 hours next week. Explain your thinking.
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For the first question the answer is a, for the second c, for the third d, for the 4th b, for the 5th a

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.