Answer:
Step-by-step explanation:
2a-7+15-5a
2a-5a-7+15
-3a+8
Yes, it is. You may prove it using something like this: 1 is an integer. 1-1 is a difference between integers. A difference between integers returns an integer, so 0 is an integer.
Given: y // z Prove: measure of angle 5 plus measure of angle 2 plus measure of angle 6 equals 180 degrees
8
160 divided by 20 hours = 8.
David has a 8 hourly wage.
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