Write the first five terms of the sequence {an}.a1 = 1, an + 1 = 
A. 1, 
, 
, 
, 
B. 1, 
, 
, 
, 
C. 1, 
, 
, 
, 
D. 1, 
, 
, 
, 
Answer: C
Mathematics
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Find the unknown number n in the proportion.
= 
A. 
B. 
C. 
D. 
Mathematics
Express the sum using summation notation. Use a lower limit of summation not necessarily 1 and k for the index of summation.(a + 1) + (a + d) + (a + d2) + . . . + (a + dn)
A. 
B. 
C. 
D. 
Mathematics
Write as a percent. Round the percent to the nearest tenth if necessary.
A. 800% B. 8% C. 0.8% D. 80%
Mathematics
Solve. Write the answer as a mixed number in simplest form.Daniel is 70
in. tall and his brother Tyler is 67
in. tall. How much taller is Daniel?
A. 2
in.
B. 3
in.
C. 2
in.
D. 3
in.
Mathematics