Write the first four terms of the sequence whose general term is given.an = (-1)n(n + 3)
A. -4, -5, -6, -7
B. 4, 5, 6, 7
C. -4, 5, -6, 7
D. -4, -10, -18, -28
Answer: C
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Find the standard deviation for the given data. Round your final answer to one more decimal place than that used for the observations.To get the best deal on a CD player, Tom called eight appliance stores and asked the cost of a specific model. The prices he was quoted are listed below: 
A. $197.0 B. $96.1 C. $692,956.0 D. $628,320.5
Find the perimeter.The length of a rectangle is 103 inches and the width is 53 inches.
A. 5459 in. B. 312 in. C. 156 in. D. 259 in.
Solve the problem.Find the area of a trapezoid with an altitude of 38 centimeters and bases of 40 and 48 centimeters.
A. 72,960 cm2 B. 3344 cm2 C. 1672 cm2 D. 152 cm2
Solve.Evaluate: 4
A. 12
B. -3
C. -108
D. -12