Answer:
<h2>C. 3x + 80 + 2x = 180</h2>
Step-by-step explanation:
The straight line creates an angle of 180 °.
Therefore from the picture we have the equation:
3x + 80 + 2x = 180 <em>subtract 80 from both sides</em>
5x = 100 <em>divide both sides by 5</em>
x = 20
Answer:
It might be positive I think?
Answer:

swipe on solution for full explanation
Square root of 61 it is something like 7.8 so the nearest integer is C.8 :))
D cause 51+51=102 because yeah I think thats how you do it