Express the following in interval notation.
A. [-2, 2)
B. (-2, 2]
C. (-2, 2)
D. [-2, 2]
Answer: B
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Solve the problem.A satellite dish has a parabolic cross section and is 12 ft deep. The focus is 4 ft from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 32 ft B. 28 ft C. 30 ft D. 36 ft
Solve the problem.Tom Quig traveled 240 miles east of St. Louis. For most of the trip he averaged 60 mph, but for one period of time he was slowed to 20 mph due to a major accident. If the total time of travel was 6 hours, how many miles did he drive at the reduced speed?
A. 70 miles B. 60 miles C. 55 miles D. 80 miles
Fill in the blank with one of the words or phrases listed below. 
A(n) 
is a piece of a line with two endpoints.
A. line segment B. transversal C. ray D. perimeter
Use the appropriate form of the percentage formula. Round division to the nearest hundredth if necessary.What number is 5
% of 82?
A. 4.26 B. 42.6 C. 426 D. 0.04