Find the measure of the exterior 21.
45°
Ο Α. 10"
Β. 125°
C. 80'
D. 100°

Which of the following equations are equivalent to -2m - 5m - 8 = 3 + (-7) + m? -15m = -4m -7m - 8 = m - 4 -3m - 8 = 4 - m m - 4 = -7m - 8 -8 - 7m = -4 + m -8 - 3m = 4 - m

Eric drove 275 miles in 5 hours. at the same rate how long would it take him to drive 495 miles?

Xy x xy if a and b are positive integers such that a*b=9 and b*a=72 what is the value of a/b