In the right triangle, a = 20, b = 21. Find c

A) 841
B) 22
C) 29

Find the sum of the first 8 terms of the following sequence. round to the nearest hundredth if necessary.

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?

Drag the tiles to the correct boxes to complete the pairs. not all tiles will be used. identify the domain for each of the given functions.