Solve the system of equations by substitution.
A. (7, 0)
B. (0, -7)
C. (1, -8)
D. no solution
Answer: B
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Find a quadratic equation with integer coefficients that has the given solution set.{6i, -6i}
A. x2 - 12ix + 36 = 0 B. x2 + 36 = 0 C. x2 + 36i = 0 D. x2 - 36 = 0
Solve the problem. Round to the nearest tenth of a percent unless otherwise noted. The graph below shows how the average value of a boat, which costs 
new, changes as it ages. Find the percent decrease in value as the boat ages from 4 years old to 5 years old. Round to the nearest percent.
A. 0.1300% B. 0.1200% C. 13% D. 12%
Use the fact that the 
to evaluate the expression without using a calculator.
?
?
Round the answer to the nearest thousandth.
?
A. 46.765 B. 24.994 C. 5.196 D. 15.588 E. 43.075
Write the word name for the given number.135,060
A. Thirteen thousand, five hundred six B. Thirteen thousand, five hundred sixty C. One hundred thirty-five thousand, sixty D. One million, thirty-five thousand, sixty