Write a cosine function that has a midline of 5, an amplitude of 2 and a period of 8/7

This question awards 100 ! i really don’t want to fail i will also mark you !

50 points~ ! i have to turn this in tomarrow

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!