A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, an+1 = 
A. 1, 
, 
, 
, 
B. 1, 
, 
, 
, 
C. 1, 
, 
, 
, 
D. 1, 
, 
, 
, 
Answer: A
Mathematics
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Find the sum.-15 - 5 - 
- 
- . . .
A. - 
B. - 
C. 
D. Does not exist
Mathematics
Estimate the sum or difference by rounding each number to the nearest hundred.
A. 6000 B. 5700 C. 5631 D. 5600
Mathematics
Divide. Express the quotient in lowest terms.
÷ 
A. 
B. x + 6
C. 
D. 
Mathematics
Encode or decode the given message, as requested, numbering the letters of the alphabet 1 through 26 in their usual order.Use the coding matrix A = 
to encode the message LIFE.
A. 
B. 
C. 
D. 
Mathematics