Solve.A real estate agent has a rectangular lot available that measures 50 meters by 80 meters. Find its area in square feet. Round to the nearest hundredth, if necessary.
A. 43,033.6 sq. ft
B. 360 sq. ft
C. 4000 sq. ft
D. 430,336 sq. ft
Answer: A
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Solve the simple interest problem. Round to the nearest cent.If Janus makes an investment of $70,000 at a simple interest rate of 5% for 3 years, then what is the overall amount of money that she will have at the end of the 3-year period?
A. $80,500.00 B. $80,700.00 C. $80,442.43 D. $80,400.00
Solve the problem.A tank is designed by revolving the parabola y = 3x2, 0 ? x ? 2, about the y-axis. The tank, with dimensions in meters, is filled with water weighing 
How much work will it take to empty the tank by pumping the water to the tank's top? Give your answer to the nearest J.
A. 92,363 J B. 8,866,831 J C. 2,955,610 J D. 985,203 J
Solve the rational inequality.
> 
A. (-?, 7) B. (-?, ?) C. No solution D. (7, ?)
Subtract.
A. 1.549 B. 1.639 C. 1.539 D. 1.538