Find the sum of the n terms of the indicated geometric sequence with the given values.a1 = 108, r = - , n = 8

A.
B.
C.
D.


Answer: C

Mathematics

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Classify the equation as a conditional equation, an identity, or a contradiction. Find the solution set.18(x - 1) = 2(9x + 2) - 22

A. Contradiction; ? B. Conditional; {0} C. Conditional; {-18} D. Identity; {all real numbers}

Mathematics

Solve the problem.A company makes 3 types of cable. Cable A requires 3 black, 3 white, and 2 red wires. B requires 1 black, 2 white, and 1 red. C requires 2 black, 1 white, and 2 red. They used 100 black, 110 white and 90 red wires. How many of each cable were made?

A. 10 cable A 103 cable B 20 cable C B. 10 cable A 30 cable B 20 cable C C. 10 cable A 30 cable B 93 cable C D. 20 cable A 30 cable B 10 cable C

Mathematics

Factor the binomial completely.50a4b - 18b3

A. 2b(5a2 + 3b)(5a2 - 3b) B. (10a + 6b)(5ab - 3b2) C. 2b(5a + 3b)2 D. 2b(5a - 3b)2

Mathematics

Find the exact value of the composition.sin-1 

A. Undefined
B.
C. 0
D. - 

Mathematics