Solve. If necessary, round percents to the nearest tenth, dollar amounts to the nearest cent, and all other numbers to the nearest whole.Find the amount of decrease and the percent decrease if the original amount is 
and the new amount is -5100.
A. 5202; 5095%
B. 5202; 5100%
C. 5202; 5200%
D. 5202; 5110%
Answer: B
Mathematics
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Solve the equation by completing the square.x2 - 14x + 53 = 0
A. -7 ± 2i B. 14 ± 4i C. 5, 9 D. 7 ± 2i
Mathematics
Solve the system of equations.12x2 + y2 = 11x2 + y2 = 1
A. 
B. 
C. 
D. 
Mathematics
Solve . Round the answer to three decimal places.68x = 3.8
A. 0.345 B. 0.107 C. 0.093 D. 0.358
Mathematics
Solve the problem.Suppose that y is inversely proportional to x and that y = 3.5 when x = 7. Find the constant of proportionality k. Then use y = 
to find y when x = 10.
A. k = 4.9; y = 
B. k = 0.5; y = 5
C. k = 24.5; y = 
D. k = 9.8; y = 
Mathematics