Answer:
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Step-by-step explanation:
For example
1>x>3
says x is less than 1 and greater than 3
A composite number is a number with more than 2 factors and 16, 18, 20, and 21 are composite.
Answer:
The father is 40 and the son is 4.
Step-by-step explanation:
40 + 5 = 45.
4 +5=9.
45 divided by 5 = 9