Some one please help me with this, I am really confused. I thought I had it right but I don't know what Im doing wrong. Please help me :c

Evaluate the following expression 1/3^2

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

Idon’t understand! use slope intercept form to solve: through: (2,5) slope= undefined