A triangle has sides with lengths of 12 yards, 16 yards, and 20 yards. Is it a right triangle? Yes or No

Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?

1) what is the measure of the exterior angle, ∠uvw ? 2) in triangle man, what is the measure of the exterior angle at n (in degrees)?

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?