Solve the problem.Suppose a cost-benefit model is given by y = 
, where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 40% to the nearest dollar.
A. $1867
B. $2800
C. $1120
D. $666
Answer: A
Mathematics
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Solve the problem.A tour group split into two groups when waiting in line for food at a fast food counter. The first group bought 8 slices of pizza and 4 soft drinks for $37.64. The second group bought 6 slices of pizza and 7 soft drinks for $34.59. How much does one slice of pizza cost?
A. $2.09 per slice of pizza B. $3.41 per slice of pizza C. $1.59 per slice of pizza D. $3.91 per slice of pizza
Mathematics
Verify the identity.tan 2x = 
What will be an ideal response?
Mathematics
Write the augmented matrix for the system. Do not solve the system. 5x + 5y + 7z = 23-2x + 9y + 4z = 6 2x + 5y + 2z = 16
A. 
B. 
C. 
D. 
Mathematics
Answer the question.The monomial 16x2y8 is a perfect square.True or False?
A. True. B. False.
Mathematics