That would be (171 + x) / 2....what u do to find the average is add up all the numbers, then divide by how many numbers there are.
Answer:
-3x+42+9x=6x+42
0x=0
x=0
Step-by-step explanation:
there is no solution
Answer: x ≤3
Step-by-step explanation:
Your answer is correct
5/9 of a foot
Step-by-step explanation:
Divide 5 by 9 to find the length for 9 equal pieces