Which expression is equivalent to -4m - 2 1/4 - 6 1/4?

Which of the following would be a good name for the function that takes the weight of a box and returns the energy needed to lift it?

Secant be and cf intersect at point d inside a what is the measure of cde

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