Find the unknown length in the right triangle. Give an exact answer and a decimal approximation rounded to three decimal places.
A. c = 
km; c ? 6.000 km
B. c = 
km; c = 208.0 km
C. c = 
km; c ? 20.396 km
D. c = 416 km
Answer: C
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Find the intervals on which the function is continuous.y = 
- 
A. discontinuous only when x = -10 B. continuous everywhere C. discontinuous only when x = -2 D. discontinuous only when x = -8 or x = -2
Use the information below to determine the cardinality of the set. U = {x | x ? N and x ? 12} A = {x | x ? N and 6 < x < 12} B = {x | x ? N and x is even and x < 12}n(A' ? B)
A. 8 B. 12 C. 9 D. 3
Multiply.-10x7(5x4 + 10)
A. -150x7 B. -50x11 - 100x7 C. -50x4 - 100 D. -50x11 + 10
Solve the problem.A power outage affected all homes and businesses within a 4 mi radius of the power station. If the power station is located 2 mi west and 5 mi north of the center of town, find an equation of the circle consisting of the furthest points from the station affected by the power outage.
A. (x - 2)2 + (y + 5)2 = 16 B. (x + 2)2 + (y + 5)2 = 16 C. (x + 2)2 + (y - 5)2 = 16 D. (x - 2)2 + (y - 5)2 = 16