Solve the system by the substitution method.x - y = 13(x - 2)2 + (y + 5)2 = 20
A. {(6, -7), (4, -9)}
B. {(6, -7), (0, -9)}
C. {(-7, 6), (-9, 4)}
D. {(-7, 6), (-9, 0)}
Answer: A
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Solve the problem.Tim and Judy mix two kinds of feed for pedigreed dogs. They wish to make 54 pounds of feed worth $0.28 per pound by mixing one kind worth $0.24 per pound with another worth $0.42 per pound. How many pounds of the cheaper kind should they use in the mix?
A. 42 pounds B. 22 pounds C. 32 pounds D. 12 pounds
Evaluate the integral by first transforming it into integrable form with an appropriate algebraic substitution.
dx
A. - 
(6 - x)5/2 + 4(6 - x)3/2 + C
B. 2(6 - x)5/2 - 12(6 - x)3/2 + C
C. 
(6 - x)2 - 4(6 - x) + C
D. 
(6 - x)5/2 - 4(6 - x)3/2 + C
Evaluate the integral.
A. 
B. 
C. 
D. 
Provide an appropriate response.Evaluate the following: 4(5 - 9) + 42 ÷ 7
Fill in the blank(s) with the appropriate word(s).