<span>20: 1,2,4,5,10,20
45: 1,3,5, 9, 15,45
so five is the greatest common factor of 20 and 45x</span>
Answer:

Step-by-step explanation:
Area of a square:
= 

Therefore, the answer of the scarf is 
Hope this helps!
8 <=u <=12
need at least 8, no more than 12
if you could have fractions of ppl it would be
8 <=u <13
Answer:
B
Step-by-step explanation:
the sentences of b option can be
not event É and not event F
Answer:

Step-by-step explanation:
Given

Required
Factor

Factor out 

<em>The expression cannot be further factored</em>