<u>Answer:</u>
37 minutes
<u>Step-by-step explanation:</u>
Lena has 20 dollars. 20 - 12.23 = 7.77
Lena has $7.77 dollars left.
We divide this by .21 to see how many minutes her call was.
7.77 ÷ .21 = 37
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(0,0), (3,0), (-6,0), and (7,0)
we know that
Imaginary roots will come in pairs, and so the degree must be even.
therefore
the answer is
options


Answer:
Step-by-step explanation: can we get an answer?
Answer:
Not sure what more you need, but here is an example of the graph on Desmos.