Which expression is equivalent to 4m^2(10m-3)+7m^2?
a 4m^2-4/5m+7/5
b 11m^2-5/7m-4
c 4m^2-8m+12/5
d 11m^2-8m+12/6

To complete your spring schedule, you must add calculus and physics. at 9: 30, there are three calculus sections and two physics sections; while at 11: 30, there are two calculus sections and three physics sections. how many ways can you complete your schedule if your only open periods are 9: 30 and 11: 30?

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Find the solutions for a triangle with a =16, c =12, and b = 63º