The answer is C. 90 degrees.
This is because angle R is one of the four angles of a square.
I hope this helps.
Answer:
16 1/3
Step-by-step explanation:
add 7 to 42 to get 49, then divide by 3 to get 16 1/3. :)
A. the coordinates for the 3rd one is (7, -4)
We don't have the scatter plot