Solve the problem.A satellite dish has a parabolic cross section and is 14 feet deep. The focus is 4 feet from the vertex. Find the width of the satellite dish at the opening. Round your answer to the nearest foot.
A. 30 ft
B. 34 ft
C. 38 ft
D. 32 ft
Answer: A
Mathematics
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Calculate the quotient.-12 ÷ 12
A. 2 B. -1 C. 1 D. -0
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Round the number as specified.2716.05 to the nearest thousand
A. 2700 B. 3000 C. 2720 D. 2716
Mathematics
Solve the equation.log (2 + x) - log (x - 4) = log 3
A. x = -7
B. x = 7
C. x = 
D. No solution
Mathematics
Evaluate. Assume u > 0 when ln u appears. 
A. (x2/2 + 6x) ln
+ C
B. - 
+ C
C. x + 9 ln
+ C
D. x + 3 ln
+ C
Mathematics