Can I get him with all the questions please?

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

What is the best way to answer questions with a x expression in the question. for example 3x + 10x=?

Asquare picture with sides of 32 inches is to be mounted on a square mat with sides of 52 inches. find the area of the mat that will remain uncovered by the picture.