Decide on what substitution to use, and then evaluate the given integral using a substitution.
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?
A. 
B. ?
C. ?
D. ?
E. ?
Answer: C
Mathematics
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Solve the problem.Find the mass of a thin triangular plate bounded by the coordinate axes and the line 
if 
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A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations and simplify the expression.
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A. 
B. 
C. 
D. 
E. 
Mathematics
Solve the problem.An economist predicts that the buying power B(x) of a dollar x years from now will decrease according to the formula B(x) = 0.61x. How much will today's dollar be worth in 7 years? Round the answer to the nearest cent.
A. $0.03 B. $4.27 C. $3.28 D. $0.71
Mathematics
Multiply.(y + 2)(y + 8)
A. y2 + 10y + 16 B. 2y + 16 C. y2 + 10y + 10 D. 2y2 + 16
Mathematics