Write an expression for the output if the input is y

Which number line correctly shows 0.8 + 0.3?

How do you do the foil method with polynomials?

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!