Answer:
<h3>33x+3x(2)-1</h3>
Step-by-step explanation:
<h2><em>
Hope This Helps</em></h2>
M must equal 20 to make the function to be linear
The interior angles of a triangle add up to 180° therefore:
98°+51°+x°=180°
X=31°
B or C I’m not sure but good luck!!!