Find a1, d, an, n, or Sn for the arithmetic sequence, as instructed.a1 = 263, d = -10, an = 163; Find n.
A. 10
B. -15
C. 11
D. 9
Answer: C
Mathematics
You might also like to view...
Solve the problem.The sum of a student's three scores is 210. If the first is 19 points more than the second, and the sum of the first two is 21 more than twice the third, what was the first score?
A. 44 B. 64 C. 63 D. 83
Mathematics
Solve the inequality.?2x - 6? ? 9
A. 
B. 
C. 
? [9, ?)
D. 
? 
Mathematics
Use the Binomial Theorem to expand and simplify the expression.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Select the correct graph of the inequality.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics