Solve the problem.A rectangular piece of cardboard measuring 25 inches by 47 inches is to be made into a box with an open top by cutting equal size squares from each corner and folding up the sides. Let x represent the length of a side of each such square. For what value of x will the volume be a maximum? If necessary, round to 2 decimal places.
A. 22.55
B. 37.58
C. 5.21
D. 18.79
Answer: C
Mathematics
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Solve the triangle. Round lengths to the nearest tenth and angle measures to the nearest degree.A = 11.2°, C = 131.6°, a = 82.3
A. B = 37.2°, b = 26.4, c = 21.5 B. B = 37.2°, b = 316.9, c = 256.2 C. B = 37.2°, b = 256.2, c = 316.9 D. B = 36.8°, b = 253.8, c = 316.9
Mathematics
Add or subtract. Assume all variables represent positive real numbers.3 
+ 4xy 
A. 15 xy3
B. 15x2y3
C. 7xy4
D. 7x2y4
Mathematics
Solve the equation.19 = 5y + 24
A. y = 
B. y = 0
C. y = 5
D. y = 1
Mathematics
Solve the problem.Approximate the area under the graph of f(x) = 
from 2 to 6 by partitioning the interval into 4 subintervals of equal length and choosing t to be the right endpoint. Round to the nearest hundredth.
A. 4.36 B. 3.80 C. 5.33 D. 5.13
Mathematics