Answer:

Step-by-step explanation:
Add the 2 equations together, then solve for x.

Now that we know the value of x, we can easily find y by substitution.

These are the answers
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Answer:
x ≤ 3
Step-by-step explanation:
Given:
4x + 6 ≤ 18
Subtract 6 from both sides:
4x ≤ 12
Divide both sides by 4:
4x/4 ≤ 12/4
x ≤ 3
Answer:
C
Step-by-step explanation:
Anything less than 5 rounds down while 5 and anything more rounds up. Therefore...
15.3 rounds to 15
7.9 rounds to 8
7.4 rounds to 7
So, his answer is reasonable.
Answer:
9,000
Step-by-step explanation
You pay one 4th of your money on taxes. 36000/4 is 9,000.