Plz help this is due in 5 minutes

According to the number line, what is the distance between points a and b? v ++ + + + + -16 -14 -12 -10 -8 + 6 + 4 + -2 + 0 + 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 o6 units o 7 units 12 units o 14 units

If angle 2=3x +1 and angle 3=2x +4what is angle 2

If your teacher tells you to do questions 6 through 19 in your math book for homework, how many questions is that