Write the expression as a single natural logarithm.
3lnm+4lnn

We conclude that:

Step-by-step explanation:

Given the expression

Apply log rule:  

So the expression becomes

Apply log rule:

so the expression becomes

Therefore, we conclude that:

a. 74 degrees

step-by-step explanation:

because the lines through the side and the box in the corners shows that these are congruent triangles and since they are mirrored the 37 degrees is also mirrored so the answer is 37 * 2 which is 74.