Would the point (5,250) be on the graph? What does this point represent in the context of the situation?

Express the following as a function of a single angle. cos(60) cos(-20) - sin(60) sin(-20)

What is x3+3x2−16x−48 divided by x−1?

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?