Mauricio uses 2/5 cup of sugar to make one batch of chocolate chip cookies and 1/8 cup of sugar to make one batch of sugar cookies.

a. How much sugar does Mauricio need to bake both batches of cookies?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations