24 and 28
These are the only two numbers (other than 20 itself) that have a factor of 4. And if you were to find all of their common factors, 4 would be the greatest!
Answer:
-5786
Step-by-step explanation:
3 + -5789=3 - 5789
=-5786
Product of
is 
Step-by-step explanation:
We need to find the product of 
Finding product:
Multiplying both terms:

So, product of
is 
Keywords: Product of polynomials
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Answer:
20 is not a perfect square.
21 is not a perfect square.
24 is not a perfect square.
25 is a perfect square.
Answer:
13 years old
Step-by-step explanation:
You would set up your equation like so: 1/2(34)- 9
First, you need to multiply the 1/2 and the 34, which is the same as dividing 34 by 2. For this you get 22. Your equation now looks like 22 - 9.
Second, subtract 9 from 22, getting 13.