In order to go to college, hank goes from working full-time making $28,000 per year to working part-time at half the salary for two years. the cost of his education will be $5,000. if hank makes $33,000 per year after getting his degree, approximately how many years will it take him to recover his investment?
a.
1
b.
5.6
c.
6.6
d.
12.2

If, while training for a marathon, you ran 60 miles in 2/3 months, how many miles did you run each month? (assume you ran the same amount each month) write your answer as a whole number, proper fraction, or mixed number in simplest form. you ran __ miles each month.

Apinhole camera is made out of a light-tight box with a piece of film attached to one side and pinhole on the opposite side. the optimum diameter d(in millimeters) of the pinhole can be modeled by d=1.9[ (5.5 x 10^-4) l) ] ^1/2, where l is the length of the camera box (in millimeters). what is the optimum diameter for a pinhole camera if the camera box has a length of 10 centimeters

The value of the expression 16-^3/4 8 1/8 -6 6 1/40 1/64