Find the slope of the line that passes through the pair of points.
(7,-5), (-1,8)

Atriangle with all sides of equal length is a/an triangle. a. right b. scalene c. equilateral d. isosceles

Which one ? is the answer and how to find this answer

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!