In a survey at a local university 22% of students say that they get less than the recommended eight hours of sleep per night. In a group of 4500 students, how many would you expect to get eight or more hours of sleep per night? ( type a whole number)

At the beginning of 1974/75,2 years a man invested #2000 in a bank at 12.5% compound interest, if it degree #650 at the end of each two years to pay his son's school fees, after payment of interest to pay his son's school fees, how much did he have left at the beginning of the 1978/79 school year?

What is the point slope form of a line with slope -5 that contains point (2,-1)

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood?