Find the indicated term of the sequence.an = 2n - 3; a10
A. -10
B. 23
C. 20
D. 17
Answer: D
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Express as a sum of logarithms.log2 xy
A. log1 x + log1 y B. log2 x + log2 y C. log2 x - log2 y D. log1 x - log1y
Solve the system, using Cramer's rule, if possible.2x + 8y + 6z = 204x + 2y - 2z = -23x - y + z = 11
A. {(2, 1, 6)} B. ? C. {(-1, 2, 1)} D. {(2, -1, 4)}
The following question refers to a country with five states. There are 240 seats in the legislature, and the populations of the states are given in the table below.
Under Webster's method, the apportionments to each state are
A. State A: 11; State B: 19; State C: 109; State D: 97; State E: 4. B. State A: 10; State B: 19; State C: 110; State D: 97; State E: 4. C. State A: 10; State B: 18; State C: 110; State D: 98; State E: 4. D. State A: 10; State B: 19; State C: 111; State D: 97; State E: 3. E. none of these
Find the difference.-13 - (-3)
A. -16 B. 10 C. 16 D. -10