What is the midpoint of (-1,-3) and (5,-7) ?

What expression is equivalent to 42x-56y

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss

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