Answer:
Answer to 9 is B answer to 10 is C
Step-by-step explanation:
Please give brainliest
Answer:

Step-by-step explanation:
Half the length of the palindrome can be any possible sequence of the 26 available letters. The other half is constrained to be the reverse of the same sequence. For odd length sequences, the middle letter can be any of the 26.
So, for k even, the number of palindromes is 26^(k/2). For k odd, the number is 26·26^((k-1)/2) = 26^)((k+1)/2).
[ Answer ]

[ Explanation ]
Area = 1420
Width = 
Area For Rectangle: Length · Width
Use division to find width:
1420 ÷ 
Convert mixed numbers to fractions:
1420 = 
= 
÷ 
Use mixed multiplication:

= 
Simplify:
= 
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Step-by-step explanation:
the beginning number is the beginning of your range the last number is the end of your range
7) A
8) C
9) B
I’m not certain but I hope this helps you...sorry if I got it wrong!!