There is a thing that you can do on there to find the answers all u do is crtl u then scroll all the way down
Answer:
B. 
Step-by-step explanation:

The transformations are:
Reflected upon the x axis (x is now negative):

Moved 4 units to the right (instead of just the variable x, you have (x-4)):

And finally moved 3 units down (so now it's minus 3):

Hope this helps! :]
Answer:
G) regular polygon
I) concave
I think you have to choose any numbers in the graph to solve for Rafael and Ava
Answer:
14.42°.....................