Find the area of the square.
A. 144 sq cm
B. 288 sq cm
C. 139 sq cm
D. 48 sq cm
Answer: A
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Suppose that for X = net amount won or lost in a lottery game, the expected value is E(X) = ?$0.50. What is the correct interpretation of this value?
A. The most likely outcome of a single play is a net loss of 50 cents. B. A player will have a net loss of 50 cents every single time he or she plays this lottery game. C. Over a large number of plays the average outcome for plays is a net loss of 50 cents. D. A mistake must have been made because it's impossible for an expected value to be negative
Calculate the arc length of the indicated portion of the curve r(t).r(t) = 
t3/2i + (5t sin t)j + (5t cos t)k ; -4 ? t ? 6
A. 150 B. 270 C. 140 D. 100
Find the perimeter (P) and area (A) of the figure.
A. P = 33 ft, cm, A = 66 ft2 B. P = 36 ft, cm, A = 84 ft2 C. P = 33 ft, cm, A = 84 ft2 D. P = 36 ft, cm, A = 66 ft2
Solve.- 
x - 2 = -22
A. 21.6 B. 28.8 C. 26.4 D. 24