Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 38 feet wide and the canal is 19 feet deep at the center, how deep is it 1 feet from the edge?
A. 17.1 ft
B. 1 ft
C. 18 ft
D. 1.9 ft
Answer: D
Mathematics
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Determine whether or not the points are vertices of the given geometric figure.(-6, 5), (2, 5), and (2, 14); right triangle
A. No B. Yes
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Solve.2x3 + 36 ? 5x2 + 21x
A. (-?, -3] ? 
B. [-3, 4]
C. 
? [4, ?)
D. [-3, ?)
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Solve.(7x - 5)(7x - 1) = 0
A. 
, 
B. - 
, - 
C. 
, 
D. 
, 
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Use the appropriate geometric formula to determine the missing dimension (radius, length, or height).Use 3.14 for ?. Round to the nearest hundredth when appropriate.A sphere with a volume of 30 cubic feet.
A. r = 1.93 ft B. r = 367.92 ft C. r = 3.11 ft D. r = 7.17 ft
Mathematics