Two angles intercepting the same arc are congruent

Find the midpoint m of z1=(8+5i) and z2=(12+3i)

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

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.