Answer:

Step-by-step explanation:
Given
Options (a) to (d)
Required
Which represents an arrow pointing left
When an arrow points left on an inequality graph, the inequality is either of the following:
or 
From the given options (a) to (d), only
fits the above description.
Other options illustrate an arrow pointing to the right
To further explain this;
Looking at (b), we have:

This is rewritten as:
--- the same form as (c) and (d)
2x^2-4=124 is the correct answer.
Answer:
According to me,
<h2>48 is the answers</h2>
Answer:
This is an equation.
Step-by-step explanation:
An expression would mean that there is no equal sign, but since there is, that makes it an equation.
Answer:
7 and -8
Step-by-step explanation:
A coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x).