For the given arithmetic series, what is Sn?a1 = 10, d = 11, and n = 40
A. 17,960
B. 35,920
C. 8980
D. 8990
Answer: C
Mathematics
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Evaluate.63
A. 216 B. -216 C. 18 D. -18
Mathematics
Solve the inequality. Write the solution set in interval notation and graph it.8t + 6 ? 7t + 2
A. [-4, ?)
B. (-?, -4]
C. (8, ?)
D. (-?, 8)
Mathematics
Write an equivalent rational expression with the given denominator.
with denominator x2 + 14x + 48
A. 
B. 
C. 
D. 
Mathematics
Solve the exponential equation. Use a calculator to approximate the solution to the nearest thousandth.8x = 3x + 1
A. x ? 1.120 B. x ? 0.683 C. x ? 0.458 D. x ? 0.346
Mathematics