First you'll use the slop formula to find the slope.
Slope =

Slope =

Slope =

Slope =

Now we write the equation.
y = mx + b
y = -3x + 9
In this equation -3 is the slope and 9 is the y-intercept.
Hope this helps :)
Answer:
600ft
Step-by-step explanation:
750 - 375 + 225 = 600
80 feet; (use Pythagorean Theorem: leg^2 + leg^2 = hyp^2 )
An equation that would represent the relationship between cost and revenue would be: 7.50t + 15s = 525
Hope this helps!! :)