1. 484.8
2.156.6
hope this helped :)
Angle 8 because supplementary is two angles whose sum is 180°.
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Hello!</h2>
The answer is:

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Why?</h2>
To solve the problem we need to add/subtract like terms. We need to remember that like terms are the terms that share the same variable and the same exponent.
For example, we have:

We have that we were able to add just the terms that were sharing the same variable and exponenr (x for this case).
So, we are given the expression:

Hence, the answer is:

Have a nice day!
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➷ I'm assuming you are asking for the lowest common multiple
[if not, let me know]
The answer would be 3000
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➶ Hope This Helps You!
➶ Good Luck (:
➶ Have A Great Day ^-^
↬ ʜᴀɴɴᴀʜ ♡