Find the sum of the series.

A.
B. 256
C.
D. 512


Answer: C

Mathematics

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Solve the system by the substitution method. Be sure to check all proposed solutions.  x + 2y = 146x + 3y = 21

A. {(-7, 0)} B. {(0, 7)} C. {(1, 6)} D. ?

Mathematics

Factor the polynomial completely using the trial and error method.12x2 - 7x + 1

A. (3x - 1)(4x - 1) B. (3x + 1)(4x + 1) C. (x - 1)(12x - 1) D. (4x - 1)(3x - 1)

Mathematics

Find the mean, variance, and standard deviation of the normal density function . Do not use integration. ?

A. expected value (mean): -3variance: 36standard deviation: 6? B. expected value (mean): 36variance:-3standard deviation: 6? C. expected value (mean): 36variance: 6standard deviation: -3? D. expected value (mean): 6variance: -3standard deviation: 36? E. expected value (mean): -3variance: 6standard deviation: 36?

Mathematics

Multiply and write the answer as a mixed number in simplest form.-2 ? 

A. -8
B. 8
C. 6
D. 8

Mathematics