Answer:
<u>It</u><u> </u><u>is</u><u> </u><u>3</u><u> </u><u>:</u><u> </u><u>2</u><u>7</u>
Step-by-step explanation:
Ratio of blue to yellow = 3:24

ratio of blue to all triangles:

I didnt get the question quite right if its asking how high the ladder is its 10 ft if its asking about the wall its i think its 20 ft
1 Millimeter is the answer I hope this helps you.
55 + 80 + 95 + 100 +115 +90 =535 actual enrollments. 75 + 80 +85 +90 +95 + 100 = 525 predicted enrollments. 535 - 525 = 10 residuals.