Is this right?

Two numbers have a sum of -19. one number is x. what expression represents the other number?

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!

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?