5 is congruent to 4 : Vertical Angle Theorem
7 is congruent to 3 : Corresponding Angles
4 is congruent to 1 : Alternate Interior Angle Theorem
-i have geometry too!!
Answer: That would be 15ft
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Explanation:</h2><h2>
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The initial value of this function is the y-intercept. We know that the slope-intercept form of the equation of a line is given by:

Writing our equation in slope intercept form:

So the initial value is:

30+3
11*3
10*3+3
60-30+3
(sorry if these didn't help i'm a beginner and i'm in 7th grade)