Using the slope intercept form of y = mx + b
the "b" is the spot where it crosses the y axis....in your equation, it crosses the y axis at -3.
For this case, what we must do is calculate the speed of the runner.
We have then that the speed is given by:

Where,
d: distance
t: time
Substituting values we have:


Answer:
the runners unit rate is:

Since I can’t see the figure I would have to assume that if they are the same shape and size then, yes they’re congruent.
Answer:
yes sure continue with questions
Given:
The equation for the area of the first option is:

Where x is the side length of the current square park.
To find:
The side length of the current square park.
Solution:
We have,

It can be written as:

Splitting the middle term, we get




We know that the side length of a park cannot be negative. So, the only possible value of x is 320.
Therefore, the most direct method to solve the given equation is splitting the middle term and the side length of the current square park is 320 meters.