Answer:
the answer is 2,and 4 and 5
Factorize using the difference of squares identity.

Then

-2(5y-20) - 5y = -5
-10y + 40 - 5y = -5
-15y + 40 = -5
-15y = -45, y = 3
x = 5(3) - 20
x = 15 - 20, x = -5
Solution: x = -5, y = 3... or (-5,3)
Answer:
18
Step-by-step explanation:
The area of triangle is b*h/2
so it will be 36/2 which will be 18
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Answer:
Answer is 6
Step-by-step explanation:
So the greatest common factor 36 and 42 is 6.
I hope it's helpful!!