Find the sum of 7a 3 + 14a + 12 and -6a 3 + 12a 2 -7.

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

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

Fiona has to plot a histogram of the given data