P(x)=2x∧6-x∧5-13x∧4+13x³+19x²-32x+1 2

Which of the following is a justification used while proving the similarity of triangles lom and mon

The parabola opens: y=√x-4 (principal square root) up down right left

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