Because when you multiply the 9 by x you get 9x and when you multiply the 9 by 3 you get 27. So then your final answer would be 9x + 27.
I hope this helps!! :)
Answer:
a= 9,15 b= 10,4
Step-by-step explanation:
I'm pretty sure the answer is C
Answer: no you can't you can only use 5 numbers when going by 4's
Step-by-step explanation: 4, 8, 12, 16, 20