Answer:
y = - 5x - 3
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + b ( m is the slope and b the y- intercept )
here m = - 5 and b = - 3, hence
y = - 5x - 3 ← equation of line
the operation:

Gives a square number.
<h3>
How to get a perfect square?</h3>
A perfect square is the product of a number and itself.
As you can see in the example, 16 is a square number. Then let's try to get 16.
To get 16 we can use the difference:
20 - 4
So the first therm needs to be equal to 20, and the second equal to 4.
To write 20 in scientific notation we have:

To write 4 in in scientific notation:

Then the operation:

Gives a square number.
If you want to learn more about square numbers:
brainly.com/question/21694652
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75% would be the percentage of 75/100 students because 100 is the percent and 75 of 100 is 75%.
If your round it to the nearest whole number it will be 3
Divide 4 on each side and X will be = to 5
4x/4 = 20/4
X = 5