Find the sum using the formulas for the sums of powers of integers.
?
?
A. -264
B. 264
C. -506
D. 759
E. 506
Answer: B
Mathematics
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Find the nth term an of the geometric sequence.1, 
, 13, 13
, . . .
A. an = 13n-1 B. an = 13n/2 C. an = 13(n+1)/2 D. an = 13(n-1)/2
Mathematics
Rewrite using numbers and an inequality symbol.Three is less than five.
A. 0 < 5 B. 3 < 5 C. 3 > 5 D. 5 < 3
Mathematics
Find the distance on the number line between the pair of numbers.
, - 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations and write the result in standard form.(
- 
)(
+ 
)
A. -58 B. 6 - 64i C. 70 D. 6 - 8i
Mathematics