Determine the equation of a line that is vertical and goes through (-5,6)

Icould really use some with this question.

Math i have no idea how to do a and b

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!