Find the requested sum for the arithmetic sequence.a1 = -6, d = 1; S4
A. -24
B. -2
C. -3
D. -18
Answer: D
Mathematics
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List all the natural number factors of the number.130
A. 1, 2, 5, 10, 13, 26, 130 B. 1, 2, 4, 5, 10, 13, 26, 65, 130 C. 2, 5, 10, 13, 65, 130 D. 1, 2, 5, 10, 13, 26, 65, 130
Mathematics
Find the fifth term and the nth term of the geometric sequence whose initial term, a, and common ratio, r, are given.a = 2; r = 4?
A. a5 = 2 + 16?, an = 2 + 4?(n-1) B. a5 = 512?, an = 2 ? 4n-1? C. a5 = 2,048?5, an = 2 ? 4n?n D. a5 = 512?4, an = 2 ? 4n-1?n-1
Mathematics
Perform the indicated operation or operations.
+ 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation. Use words or set notation to identify equations that have no solution, or equations that are true for all real numbers. 18(x + 3) = 3(6x + 1) + 51
A. {x|x is a real number} B. {54} C. {0} D. ?
Mathematics