The answer is 9, hope this helps
This is what we know:4x^2 + 12x + c = (2x + k)^2
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4x^2 + 12x + c = 4x^2 + 2kx + 2kx + k^2
c=9
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Answer:
The amount earned is $327.75
Step-by-step explanation:
If the workwr working for 5h gets $71.25, then his working for 1 hour could be said to be x.
5h = $71.25
1h = x; cross multiplying would result in
x= 
x= $14.25 which is the pay for 1h
Therefore for 23 h the worker would earn
23* 14.25 = $327.75
Answer:
$2.21
Step-by-step explanation:
Given data
Cost = $13.00
Tip= 17%
Let us find the amount of the tip
=17/100*13
=0.17*13
=$2.21
Hence the tip is $2.21