An envelope from the post office is 3 inches wide with a total area of 30 square inches. what is the height of the envelope

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.

What is the slope of the line shown below?

What is the 9th term in the geometric sequence described by this explicit formula? an=-6. (2)(n-1) apex