Answer:


Step-by-step explanation:
<u>Equations</u>
We have two cases where some variable is required to be found such that some condition is met. The first case is about finding the value of a that complies:

Rearranging

Factoring:

There are two solutions:

The second case requires us to find the value of x such that

Rearranging

This second-degree equation has no real roots. We'll offer the imaginary (complex) solutions:

It is B. Because perpendicular is opposite reciprocal
When you say comparing do you mean dividing or just comparing
Answer:
D
Step-by-step explanation:
If C represents the number of children you aren't gonna want to multiple like how it shows in option b and you aren't gonna wanna subtract.