What is 1+1? (30 free points btw I'm asking a question so that way it doesn't get taken down)

Aglass triangular prism for a telescope is 5.5 inches long. each side of the prism's triangular bases is 4 inches long and 3 inches high. how much glass covers the surface of the prism? the answer choices are: 75, 76, 77, and 78. this is due tomorrow morning,

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

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!