Raj and Nico were riding their skateboards around the block two times to see who could ride faster. Raj first rode around the block in 84.6 seconds, and second rode around the block in 79.85 seconds. Nico first rode around the
same block in 81.17 seconds, and second rode around the block in 85.5 seconds. Which statements are true? Select all
that apply.

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