Solve the problem.Suppose a cost-benefit model is given by 
where y is the cost in thousands of dollars for removing x percent of a given pollutant. Find the cost of removing 45% to the nearest dollar.
A. $3465
B. $818
C. $7700
D. $6300
Answer: D
Mathematics
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Evaluate the integral.
A. - 96 B. - 24 C. - 72 D. 144
Mathematics
Provide an appropriate response.Jamie used the Pythagorean theorem to find the length of the missing side of the triangle shown. 
He did the following calculations:x2 + 72 = 102?x2 = 102- 72?x2 = 51?x = 
?x ? 7.1Why did Jamie not get the correct answer?
What will be an ideal response?
Mathematics
Simplify the expression. Write the result without using negative exponents. (Assume all variables represent nonzero real numbers.)(x-4y6)-1
A. 
B. 
C. 
D. 
Mathematics
List all the elements of B that belong to the given set.B = {15, 
, -10, 0, 
}Real numbers
A. 
B. 
C. {15, -10, 0}
D. 
Mathematics