You are hiking on a trail that leads down from the top of a mountain. at 2 p. m. you are at an elevation of 4000 feet. at 5 p. m. you are at an elevation of 3250 feet. what is your mean hourly change in elevation?

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.

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

Multiply and simplify. 2x2y3z2 · 4xy4x2 how to do?