What is a volume of this composite solid?

With #! i’ve tried to figure it out but i can’t.

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

Florence price's brownies and more sells all types of cookies and pastries. on tuesdays, they markdown all brownies 75% to a sale of $1.50 a dozen. find the selling price and the markdown of a dozen brownies.