Let y=total monthly income
Let x=each time app is opened
y=25+(.003x)
The slope-intercept form:
m - slope
b - y-intercept → (0, b).
We have the points (4, 7) and (0, 7) → b = 7.
Calculate the slope:
Therefore we have 
The standard form: 
<h3>Answer: y = 7.</h3><h3><em>It's a horizontal line.</em></h3>
Answer:
16.66
Step-by-step explanation:
Answer:
<em><u>2</u></em><em><u>3</u></em><em><u>.</u></em><em><u>E</u></em>
Step-by-step explanation:
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Answer:
option 2.
the others are simultaneous equations in two unknowns but 7x-2y have the same value and the value can't be two different things at once
