Solve.-19 ? 
? -11
A. 5 ? x ? 9
B. 5 ? x < 9
C. 5 < x < 9
D. 5 < x ? 9
Answer: A
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Solve the equation by the method of your choice. Simplify irrational solutions, if possible.2x2 = 14
A. {±7}
B. {
}
C. {±
}
D. {±8}
Find the date due and the maturity value. Use banker's interest.
A. Date Due: March 23 Maturity value: $1,692,947.65 B. Date Due: March 25 Maturity value: $1,708,138.61 C. Date Due: March 23 Maturity value: $1,689,774.43 D. Date due: March 25 Maturity value: $1,694,804.32
Write the number in standard form.2(cos 270° + i sin 270°)
A. -2i B. -i C. 2i D. -2
Use front-end rounding to round each number. Then, add or subtract the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact
A. Estimate: $63; exact: $64.46 B. Estimate: $53; exact: $54.45 C. Estimate: $53; exact: $54.35 D. Estimate: $63; exact: $63.36