Answer:
This is an improper fraction so we need to make it a mix fraction.
Step-by-step explanation:
21/10 = 10/10+10/10+1/10
10/10=1
So your final answer will be 
Three diagonals can be drawn in a hexagon mmyyy dude.
Step by Step:
Step 1.) Subract 10 from both sides.
Step 2.) Divide each side by one
answer: x=15
Answer
63rrdddd
Step-by-step explanation:
Answer:
False
Step-by-step explanation:
The same function input (the first number in the pair) cannot have two different outputs (the second number in the pair).
(6, 4) 4 is one output.
(6, -4) -4 is another output.