Solve the problem.A cross-section of an irrigation canal is a parabola. If the surface of the water is 31 ft wide and the canal is 
deep at the center, how deep is it 8 ft from the edge?
A. 11.7 ft
B. 22.5 ft
C. 27.5 ft
D. 38.3 ft
Answer: D
Mathematics
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A line has the given slope m and passes through the first point listed in the table. Complete the table so that each point in the table lies on the line.m = 
A. 
B. 
C. 
D. 
Mathematics
Find the stock turnover at cost and at retail. Round to the nearest hundredth.
A. Turnover at cost = 5.12 Turnover at retail = 5.17 B. Turnover at cost = 2.36 Turnover at retail = 2.34 C. Turnover at cost = 5.17 Turnover at retail = 5.12 D. Turnover at cost = 2.19 Turnover at retail = 12.09
Mathematics
Use the quadratic formula to solve the equation. (All solutions are real numbers.)
= 
+ 
A. 
B. {-1}
C. 
D. 
Mathematics
Find the power of i.i12
A. i B. -i C. -1 D. 1
Mathematics