Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 3; r = -5
A. a5 = -375; an = 3 ? (-5)n-1
B. a5 = 1875; an = 3 ? (-5)n-1
C. a5 = -375; an = 3 ? (-5)n
D. a5 = 1875; an = 3 ? (-5)n
Answer: B
Mathematics
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A. -0.476a3- 6.8ab + 10.2b B. -0.476a3 + 6.8ab -10.2b C. -0.476a3 - 6.8ab -10.2b D. -0.476a3 - ab + 1.5b
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Use I = Prt for simple interest to find the indicated quantity.P = $3000; t = 90 days; I = $105. Find r. (Use 360 days in a year.)
A. 3.5% B. 14.0% C. 9.7% D. 14.2%
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Show that the following is true.
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What will be an ideal response?
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Solve the problem.Let B = [-1 1 4 -3]. Find -2B.
A. 
B. 
C. 
D. 
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