Answer:
C. 
Step-by-step explanation:
When two polygons are considered similar, the ratio of their corresponding sides would also be equal.
Since ∆ABC and ∆ADE are similar, 

Cross multiply


Divide both sides by 7 to find AB



Well Jay has 20 phone numbers.
20j=13r-3x2 im not sure but i hope that helped a little.
Answer:
3484m
Step-by-step explanation:
Add 1215(2) and 527(2) together
Answer:
x=1
Step-by-step explanation:
By substituting 1 into the equation for x, both sides will equal 8.