Answer:

Step-by-step explanation:
Let
x------> account balance
we know that
The inequality that represent when the accounts fall below
is equal to

Answer:
x = 4
Explanation:
2x = 8
- In order to get x by itself you need to divide x by 2
Divide both sides by 2 (What you do to one side you must do to the other)
2x / 2 = 8 / 2
x = 4
<h3>
Answer: Charlotte's speed in meter/second is 2.5m/s.</h3>
Step-by-step explanation:
Given speed of Charlotte in kilometer per hour = 9 km/h
We need to find the Charlotte's speed in meter per second.
We know 1 kilometer = 1000 meter
And 1 hour = 3600 seconds.
Plugging those values of km and hour in given speed in km/h, we get

.
Therefore,
<h3>Charlotte's speed in meter/second is 2.5m/s.</h3>
Non linear because based on the statement is shown is linear equations in two variables ok ........