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Answer:
3 : 2
Step-by-step explanation:
To determine the scale factor.
Calculate the ratio of diameters or heights, that is
18 : 12 = 3 : 2 ← using diameters
30 : 20 = 3 : 2 ← using heights
Her book was 10 days late. D = days. The equation is .25(4) + .30d = 4.00. First you multiply .25 • 4 to get 1. Then you subtract 1 from both sides and get .30d = 3. Next you divide both sides by .30 to get d = 10.
Answer:

Step-by-step explanation:
we have

we know that

Answer:
d. reflect triangle abc across line ab
Step-by-step explanation: