Aramp leads up to a building. the top of the ramp is 4 feet above the ground, and the bottom of the ramp is 18 feet from the building, as shown. what is the length of the ramp? round your answer to the nearest tenth of a foot.

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

Find the nonpermissible replacement for binthis expression.b2/5b +5

Graph the equationy= x+3[tex]y = x + 3[/tex]