The correct answer is <span>C. Lines m and n have the same slope so they are parallel. The slope = 2/3 </span>
Answer
67.5
45° would be the other angle of 2x°
180° - 45° = 135°
135/45 = 67.5°

First, solve the parentheses:

Next, the exponential terms

Solve the multiplication:

Add and subtract:
The answer is x^6(2X^6-3)(4X^12+6X^6+9)