Answer:
3
Step-by-step explanation:

Answer:19,20,21 and 22
Step-by-step explanation: if this is for a test your welcome bud.
Answer: The length of AB = 8 units
Step-by-step explanation:
Given: In parallelogram ABCD, Sides A B and D C are parallel.
The length of AB is 4q minus 8 and the length of DC is q + 4.
Since opposite sides of parallelogram is parallel and equal.
So 

Length of AB = 4q-8=4(4)-8=16-8=8 units
Hnece, the length of AB = 8 units
Answer: y = 1/2x
Step-by-step explanation: I looked at the graph to find this. Look at the points (0,2) and (2,3). You will get 1/2 because you move up by 1 and move along the x-axis 2 places. I hope this helps, have a nice day.