Solve the system by the substitution method.x2 = y2 + 39x - y = 3
A. {(8, 5)}
B. {(-8, 5)}
C. {(8, -5)}
D. {(-8, -5)}
Answer: A
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Solve the problem.If the length, width, and height of a rectangular solid are measured to be 5, 3, and 3 inches respectively and each measurement is accurate to within 0.1 inch, estimate the maximum percentage error in computing the volume of the solid.
A. 6.93% B. 8.67% C. 10.40% D. 7.80%
The following table shows the length L, in inches, and the flying speed S, in feet per second, of certain flying animals. L 0.56 3.57 4.34 47.51 62.87 S 21.99 36.61 39.49 61.46 74.49? Use power regression to answer the following question. If the flying speed is doubled, how is the length affected? Round your answer to two decimal places. ?
A. It is multiplied by 1.18. B. It is multiplied by 3.57. C. It is multiplied by 17.96. D. It is multiplied by 19.49.
Solve the equation.
= 13
A. {-18} B. {65} C. {18} D. {-65}
Solve the rational equation.
= 7 + 
A. 
B. 
C. 
D. 