81=3^4
I hope this helps! Good luck!
Answer:
graph 1 proportional
graph 2&3 is non proportional
i think
Number of ways = 6!
Number of ways = 6 x 5 x 4 x 3 x 2 x 1
Number of ways = 720
------------------------------
Answer: 720 ways
------------------------------
Answer:
Step-by-step explanation:
the 3rd one
Answer:
=(2x-3y+4z)+(9x-8y+7z)
=2x+9x-3y-8y+4z+7z
=11x-11y+11z
hope like the answer
please mark the answer as brainliest