A ramp needs to be built for wheelchair access to a porch that is 4.5 feet high. The angle of elevation has to be 9 degrees. How long will the ramp be? Round to the nearest hundredth

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

In an equilateral triangle, each angle is represented by 5y+3. what is the value of y? a. 9.7 b. 10.8 c. 11.4 d. 7.2

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