The common factor of given terms is x/8, which is given in option B.
<h3>What is factor?</h3>
A factor is a number that divides another number, leaving no remainder.
Here, given terms are:
and 
Now, factors of 5x/8 = 5 X 1/8 X (x)
factors of 11x/8 = 11 X 1/8 X (x)
So, common factors are 1/8 and x
Thus, the common factor of given terms is x/8, which is given in option B.
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1 modulo 9 is the set of numbers as follows:
(0(9) + 1), (1(9) + 1, ....)
which is:
1, 10, 19
All we have to do is divide 1000 by 9, and round down.
1000/9 = 111.111......
There are 111 numbers.
Now let us check our work.
the set is as follows:
(1,10,19, ....... (111)9 +1)
(1, 10, 19 ........ 1000)
We are within 1000.
Therefore, 111 of the 1000 smallest positive integers are congruent to 1 modulo 9.
Step 1
Given;

Required; To find the area
Step 2
The area of a cylinder is given as;

Answer;
7 do multiplication and division before addition and subtraction