Solve the problem.The length of a rectangular storage room is 4 feet longer than its width. If the area of the room is 45 square feet, find its dimensions.
A. w = 4 ft; l = 10 ft
B. w = 4 ft; l = 8 ft
C. w = 5 ft; l = 9 ft
D. w = 6 ft; l = 10 ft
Answer: C
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The number 
is an element in which of the following sets?
A. ?Set of whole numbers. B. ?Set of real numbers. C. ?{x | x is a rational number} D. ?Set of numbers that are divisible by 6. E. ?Set of rational numbers. F. b, c, and e
Determine the natural logarithm of the number. Round to the nearest ten-thousandth.15,800,000
A. 0.0601 B. 7.1987 C. 16.5755 D. 5.0626
Solve the inequality. Graph the solution set, and state the solution set in interval notation.|x + 5| ? 0
A. (-?, 5) ? (5, ?)
B. -5
C. (-?, -5) ? (-5, ?)
D. (-?, ?)
Provide an appropriate response.Suppose the demand equation for the manufacturer's product is p = 100e-0.04q, where p is the price per unit for q units. Find the marginal revenue function.
What will be an ideal response?