Javier used the expression below to represent his score in a game of mini-golf. 3x + x + 5 – 2x

If he simplifies the expression, which statements are true about the parts of the simplified expression? Select three options.

The constant is 2.
The coefficient is 2.
The constant is 5.
The coefficient is 5.
There are two terms.

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