Answer:
c
Step-by-step explanation:
5*21=105
choice 3) x = 21°
5x + 3x + 12° = 180° because they are supplementary angles
combine like terms:
8x = 168°
divide both sides by 8:
x = 21°
Answer: 45 degrees
66.3
i just did it on deltamath
W = 55T
He types 110 / 2 = 55 words every minute. Thus, W = 55T
