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



Answer:
Rows 126
last row has 41
last row is not full because its an odd number
Step-by-step explanation:
The answer for number 3 is 3.c
If my memory serves me well, the only wtatement which is true is the last one: <span>D) All linear equation and all quadratic equations are polynomial equations.</span>
8.romb
Step-by-step explanation:
thats all I know