There are 50 teens in a work program. the circle graph shows the percentage of workers who have 0, 1, 2, 3, and 4 siblings.
how many teens in the program have no siblings?

Witch represents the inverse of the function f(x)=1/4x-12

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?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be