Evaluate the expression without using a calculator.8log818
A. 26
B. 8
C. log818
D. 18
Answer: D
Mathematics
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Indicate whether the statement is true always, sometimes, or never.To find the quotient 
, multiply numerator and denominator by 5 + 8i.
A. Sometimes B. Always C. Never
Mathematics
Write the number without exponents.6.25 × 103
A. 6250 B. 62,500 C. 187.5 D. 625
Mathematics
Solve the inequality. Give answer in interval notation.x4 - 3x3 - 62x2 + 120x + 448 ? 0
A. [-7, -2] ? [4, 8] B. [-7, 8] C. (-7, -2) ? [4, 8] D. [-7, -2] ? (4, 8)
Mathematics
Perform the row operation(s) on the given augmented matrix.R1 = 
r1
A. 
B. 
C. 
D. 
Mathematics