Find an for the given geometric sequence.a5 = 
, r = 
A. an = 
? 
n-1
B. an = 
? 
n
C. an = 9 ? 
n-1
D. an = 9 ? 
n
Answer: C
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Give a written response.You are given information about three numbers, which you are to arrange from smallest to largest.Number A: sign is negative; Absolute value is: 1.2Number B: sign is negative; Absolute value is: 2.3Number C: sign is positive; Absolute value is: 1.7What will the order be? Explain.
What will be an ideal response?
Does the problem involve permutations or combinations? Do not solve.A club elects a president, vice-president, and secretary-treasurer. How many sets of officers are possible if there are 11 members and any member can be elected to each position? No person can hold more than one office.
A. permutations B. combinations
Write the standard form of the equation of the circle with radius r and center (h, k).r = 
; (h, k) = (7, -10)
A. (x - 7)2 + (y + 10)2 = 19 B. (x + 7)2 + (y - 10)2 = 19 C. (x - 10)2 + (y + 7)2 = 361 D. (x + 10)2 + (y - 7)2 = 361
Solve the problem.Score on a test S is related to the number of hours H studied for the test by the formula 
Solve for H in terms of S.
A. H = 8(S - 68)
B. H = 8(68 + S)
C. H = 
D. H = 