PLEASE HELP Complete the table to find the different combinations of coin quantities that have a sum of $2.41. (See photo above)

Evaluate the expression for the given value of the variable 2×(c2-5) for c=4

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 radius of the cone in the diagram? round your answer to the nearest whole number