Evaluate the expression.
A. 2310
B. 210
C. 462
D. 42
Answer: C
Mathematics
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Mark the statement as true or false.The absolute value of any nonzero number is an irrational number.
A. True B. False
Mathematics
Simplify. log b 
A. 5
B. 
C. 3
D. 
Mathematics
Find the first term, the common difference, and give a recursive formula for the arithmetic sequence.6th term is -10; 15th term is -46
A. a1 = 10, d = 4, an = an-1 + 4 B. a1 = 10, d = -4, an = an-1 - 4 C. a1 = -10, d = -4, an = an-1 - 4 D. a1 = -30, d = 4, an = an-1 + 4
Mathematics
Solve the problem.Sue has taken four exams so far in her History course. His scores are 98.5, 78.2, 93, and 87.5. What is the average of these scores?
A. 87.9 B. 89.3 C. 91.5 D. 89.45
Mathematics