Answer:
the 3rd one
Step-by-step explanation:
' 36 = 9k ' is not an inequality. It's an <u>equality</u>, usually called an <em><u>equation</u></em>.
It's true whenever 'k' is 4, and false at any other time.
(You can determine that simply by dividing each side of the equation by 9.)
See the graph below
<h2>
Explanation:</h2><h2>
</h2>
A polynomial function whose degree is 4 is given by the form:
Here the roots are:
If we set 
then:
Finally, by using graphing tool we get the graph of our polynomial function:
<h2>Learn more:</h2>
Parabola: brainly.com/question/10618210
#LearnWithBrainly
Perimeter of a rectangle= 2(length)+2(width)
Data:
Perimeter=108 cm
length=18 cm
therefore:
108 cm=2(18 cm)+2(width)
108 cm=36 cm+2 (width)
2 width=108 cm -36 cm=
2 width=72 cm
width=72cm/2
width=36 cm
Answer: the width of the picture frame would be 36 cm.
