Is this a right triangle and if so, how do i prove that?

Describe a situation that you could represent with the inequality x< 17

The track team ran a mile and a quarter during their practice how many kilometers did her team runs?

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!