Nine represents then three times a number is forty

In triangle opq right angled at p op=7cm, oq-pq=1 determine the values of sinq and cosq

Find the area of the triangle shown 3 by 6

Acyclist bike x distance at 10 miles per hour .and returns over the same path at 8 miles per hour. what is the cyclist average rate for the round trip in miles per hour ?