Convert the given polar coordinates of the point to rectangular coordinates.
A. (0, 1)
B. (0, -1)
C. (-1, 0)
D. (1, 0)
Answer: A
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Solve.A land developer purchased a piece of land containing 550.39 acres. He plans to divide it into a 160-acre shopping center and lots of acre each. How many lots will he be able to form from this piece of land?
A. 1171 lots B. 1175 lots C. 1170 lots D. 1167 lots
Multiply. Assume that all variables represent nonnegative real numbers.(10 + 5
)(7
+ 8
)
A. 70 + 40
B. 340 + 115
C. 70 + 40
+ 115
D. -60 + 115
Identify the number as real, complex, pure imaginary, or nonreal complex. More than one of these descriptions may apply.-3 - i
A. real, complex B. complex, pure imaginary C. none of these D. complex, nonreal complex
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.estimate exact
A. Estimate: 13.7; exact: 13.7722 B. Estimate: 13.6; exact: 13.7722 C. Estimate: 13.6; exact: 13.6821 D. Estimate: 13.7; exact: 13.7821