What is the measure of an angle that is the supplement of angle A? 120°
ОА
70°
OB.
60°
Ос.
30°
OD
80°
OE. None of the above

Compare the subtraction problems 6/8 - 5/8 = 1/8 and 6/9 - 7/9 = 1/9 why is the answer to the first problem positive and the answer to the second problem negative

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

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