1. y axis can repeat/x cannot repeat
2. Parabola symmetrically across y-axis
The associative law states that it doesn't matter how we group numbers when we add and/or multiply. So we could rearrange the brackets and parentheses to get the equivalent equation:
9m(6+n)
Both equations total:
54m+9mn
(I applied the distributive property to solve it).
Y=112 because of vertical angles or if you subtract 68 from 180 to get it.