Information about the age of participants in a dance competition is below: Age of Participants
10
15
20
25
30
35
Age
The middle 50% of the data is between what two numbers? (3 points)
17 and 27
12 and 33
21 and 33
12 and 21

δabc ≅ δdcb by sas because

db ≅ ac . . given (side)

bc ≅ bc . . reflexive property (side)

∠dbc ≅ ∠ acb . . alternate interior angles where transversal bc crosses parallel lines bd and ac (included angle)

answer: translate the circles so they share a common center point and dilate circle y by a scale factor of 3.