Answer:
8a + 9b and 16a - 10b
Step-by-step explanation:
The 16th term is: 53
Further explanation:
We have to find the general formula first
The general form is:

The 16th term is: 53
Keywords: Arithmetic sequence, Common Difference
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Answer:
6
Step-by-step explanation:
2+4 = 6
..............
Answer:
x=7
y=8
Step-by-step explanation:
-Given that the mean and median is the same.
-Let b=mean =median
#Given that the set is arranged in order and is even:

Hence:

-Applying the mean formula:

#Since the number are in order:

Hence, x=7 and y=8
So column A needs to all be the same multiples of 4 so 4•3 is 12 and so other multiples need to be placed