Answer:
Option D
Step-by-step explanation:
In this question we use properties of parallelogram and angle sum property of a triangle.
In parallelogram ABCD

As, we know that opposite angles of parallelogram are equal
Therefore,

Now, in triangle ADC
We know that sum of all the angles of a triangle is 



Subtracting 97 from both sides we get


Measure of 
Answer:
Step-by-step explanation:
Plug in 1 for n and solve, then plug in 2, and so on until you get to 3(6)-1=17
Answer:
54.4
Step-by-step explanation:
1. Identify valid x and y points by doing vertical and horizontal line test
2. Use these toolkit to find the appropriate function