A triangle has sides with lengths of 12 centimeters, 16 centimeters, and 20 centimeters. Is it a right triangle?

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?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

My hour hand points between the 8 and the 9 in 35 minutes it will be the next hour. what time is it ?