The angle of elevation from a viewer to the top of a building is
50°. If the viewer is 80 ft away and
the viewer's eyes are 5.5 ft above
the ground, what is the height of
the building? Round to the nearest
tenth of a foot.

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

Rounded to the nearest tenth, what is the value of x