Solve the problem.A long strip of sheet metal 12 inches wide is to be made into a small trough by turning up two sides at right angles to the base. If the trough is to have maximum capacity, how many inches should be turned up on each side?
A. 6 in.
B. 3 in.
C. 5 in.
D. 4 in.
Answer: B
Mathematics
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Write the number in standard notation.4.989 × 105
A. 249.45 B. 498,900 C. 4,989,000 D. 49,890
Mathematics
Solve the problem.Find the equation of the form y = mx + b for the line through (3, 4) with angle of inclination 
.
A. y = 
x + 1
B. y = x + 4
C. y = x + 3
D. y = x + 1
Mathematics
Solve the problem.If a graph is symmetric with respect to the y-axis and it contains the point (5, -6), which of the following points is also on the graph?
A. (5, -6) B. (-6, 5) C. (-5, 6) D. (-5, -6)
Mathematics
Simplify the complex fraction.
A. 12
B. 
C. 1
D. 
Mathematics