Pls help me with my algebra

Solve for x i'll try to attach the files bc it's not letting me for some reason

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

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36