Jack has completed 15 homework assignments out of the 21 that were assigned. To play basketball, Jack had to complete at least 80 percent of the homework. Is he eligible to play?

Angle onp = 43°angle lno = 137°angle mnp = 137°

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.

D.