Find the requested sum of the arithmetic sequence.an = -3n - 5Find S4.
A. -17
B. -32
C. -50
D. -8
Answer: C
Mathematics
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Use the given real number line to compute the distance.Find d(A, B)
A. 6 B. -6 C. 5 D. 7
Mathematics
Use trigonometric identities to find the exact value.sin 260° cos 20° - cos 260° sin 20°
A. - 
B. - 
C. 
D. - 
Mathematics
Rewrite the given expression as a single logarithm. Assume that all variables are defined in such a way that variable expressions are positive and bases are positive numbers not equal to 1.6 logx x - logx y
A. logx x6 ÷ logb y
B. logx 
C. logx (x6 - y)
D. logx 
Mathematics
Find the missing factor.-6x8y3 = xy ? ?
A. x7y2 B. -6x9y4 C. -6x7y2 D. x9y4
Mathematics