Answer:
From least to greatest, the correct order is:
; -7.666....; -7.64; and
.
Step-by-step explanation:
Since
is the only positive number, that means that it will be the greatest number on the list.
is equivalent to -7.85, which makes it the smallest number. So you can conclude that the correct order is
; -7.666...; -7.64; and
.
18) Value of b is : 
Option A is correct.
19) Option C is correct.
Step-by-step explanation:
18) We need to find the value of b.
The given equation is:

Solving to find the value of b:

So value of b is : 
Option A is correct.
19) We need to find the correct graph of the equation:

Solving:

The values of y will be less than three. As y < 3 so, the circle on y is not filled.
So. Option C is correct.
Keywords: Solving Inequalities
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Answer:
$12
Step-by-step explanation:
42 - 6 = 36
36/3
12