Solve the following problems. remember, its easiest to solve the questions in the paranthesis first.
4 ÷ (5+12)
(3+6) + 17
(3+4) + (5÷6)

Delbert keeps track of total of the total number of points he earns on homework assignments, each of which is worth 60 points. at the end of the semester he has 810 points. write an equation for delbert’s average homework score a in terms of the number of assignments n.

Atown recently dismissed 5 employees in order to meet their new budget reductions. the town had 5 employees over 50 years of age and 19 under 50. if the dismissed employees were selected at random, what is the probability that exactly 2 employees were over 50? express your answer as a fraction or a decimal number rounded to four decimal places.

27/9=18/x a. x=9 b. x=18 c. x=6 d.x=3