Indicate whether the equation is conditional, an identity, or a contradiction.8x + 56 = 8(x + 7) + 6
A. contradiction
B. conditional
C. identity
Answer: A
Mathematics
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Solve the differential equation.25y'' - 40y' + 16y = 0
A. y = C1e(4/5)x + C2 e(-4/5)x B. y = (C1 + C2x) e(-4/5)x C. y = Ce(4/5)x D. y = (C1 + C2x) e(4/5)x
Mathematics
Evaluate the expression.
3
A. 
B. 3
C. 
D. 
Mathematics
Solve the problem.A rectangular swimming pool is being constructed, 18 feet long and 100 feet wide. The depth of the pool is measured at 3-foot intervals across the length of the pool. Estimate the volume of water in the pool using Simpson's Rule.
A. 10,500 ft3 B. 12,300 ft3 C. 9300 ft3 D. 7000 ft3
Mathematics
Use the graph to answer the question. 
Which month in 2007 had the highest sales?
A. Month 12 B. Month 6 C. Month 5 D. Month 3
Mathematics