Question bellow Pls Help

The two square pyramids are similar. find the total volume of both pyramids if the ratio of their surface areas is 9/16

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!

Which equation represents h for right triangle abc