Answer:
Option C 
Step-by-step explanation:
Let
x ----> the cost of the concert ticket
we know that
The total cost to be no more than $4 Above $80
so

Solve for x

The total cost to be no more than $4 below $80
so

Solve for x


therefore
The inequality that represent this problem is

<u><em>Verify</em></u>
<em>First solution (positive case</em>)


Solve for x
----> is ok
<em>Second solution (negative case)</em>

Multiply by -1 both sides


Solve for x

---> is ok
Remember that
is equivalent to 
Because is a absolute value
The right answer is <u>Many kids went directly from grammar school to special vocational schools sponsored by private agencies. . .</u>
I hope it helps :)
2.06 because the lower the number, the further left it will be on a number line
X=56°
Because cos =90- sin
2/3 * 1/2
Multiply straight across
2*1 = 2
3*2 = 6
2/6 = 1/3
Answer: 1/3