Solve the problem.The perimeter of a rectangle is 44 feet. Describe the possible lengths of a side if the area of the rectangle is to be greater than 105 square feet.
A. The length of the rectangle must be greater than 15 ft
B. The length of the rectangle must be greater than 15 ft or less than 7 ft
C. The length of the rectangle must lie between 1 and 105 ft
D. The length of the rectangle must lie between 7 and 15 ft
Answer: D
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Find the extreme values of the function subject to the given constraint.
A. Maximum: none; minimum: 
at 
B. Maximum: none; minimum: 
at 
C. Maximum: none; minimum: 
at 
D. Maximum: none; minimum: 
at 
Convert the radian measure to degree measure. Use the value of ? found on a calculator and round answers to two decimal places.
A. 144° B. 450° C. 72?° D. 900°
Solve the system of equations using matrices (row operations). If the system has no solution, say that it is inconsistent.
A. x = 6, y = 8, z = 7; (6, 8, 7) B. x = -6, y = 7, z = 12; (-6, 7, 12) C. x = 6, y = 7, z = 8; (6, 7, 8) D. inconsistent
Write an inequality statement using the numbers in the problem.At Relax Resort, the Beginner's Trail is 7 kilometers long. The Advanced Trail is 20 kilometers long. Write an inequality statement using ? or ? comparing the numbers 7 and 20.
A. 7 ? 20 B. 7 ? 20