Answer:
2ay
Step-by-step explanation:
a(x+y)-a(x-y)
Distribute
ax +ay - ax + ay
Combine like terms
2ay
Answer:
14-2a
Step-by-step explanation:
Since 15 and 21 are not included: we will have
=15-2a-1
=14-2a
Answer:11cm
Step-by-step explanation:
A pentagon has 5 sides
the perimeter Of The pentagon is 55cm
The length of each side Of The regular pentagon is 55/5=11
There length of each side Of The pentagon is 11cm
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