<span>2x+14y=-108
</span><span>63x+14y= 14 (multiply the second equation by 7 and subtract)
_____________
-61x=-122
x=-122/-61
x=2
2(2)+14y=-108
4+14y=-108
14y=-112
y=-112/14
y=-8
</span>
He can buy 6 water bottles that are $3 a piece.
To find this out, subtract the tip from the total:
$128 - $86= $42
Then divide the 42 by 6:
42 / 6 = 7
So the waiter earns $7 per hour.
Hope this helps!
Answer:elect the scenarios that are related to providing clarity in a research survey.
The survey’s research question analyzes a loss of market share.
A company uses an online survey.
A company surveys customers at all locations.
The survey contains a rating scale and rank order questions.
A focus group field-tests the survey.
A company creates an overview of topics to address.
The survey contains ten items.
Answer: it’s 70 years
Step-by-step explanation: