144*6=864. If you need me to explain it, just let me know! Hope this helps!! ^-^
Answer:


Step-by-step explanation:
1. 



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2. 



Answer:
The 20 model is cheaper.
Step-by-step explanation:
There would be 0.72 cents for each tire if you bought 16. If you buy 20, you pay 0.67 cents. Therefore the 20 pach is cheaper.
Answer:
MZ1 is 18
Step-by-step explanation:
2x+36
36 is being timesd by 2 so we undo it
36/2x
then u have ur answer of 18
Hope this helps! Pls consider marking me as <u>Brainliest</u>