Find the supplement of the angle.166.1°
A. 14°
B. 76.1°
C. 14.1°
D. 13.9°
Answer: D
Mathematics
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Solve the problem.A kitchen table costs $510. The sales tax is $20.40. What is the sales tax rate?
A. 5% B. 4% C. 0.4% D. 6%
Mathematics
Use Identities to find the exact value.cos 255°
A. 
B. 
- 
C. 
- 
D. 
Mathematics
Solve the problem.The perimeter of a rectangle is 78 m. If the width were doubled and the length were increased by 25 m, then the perimeter would be 158 m. What are the dimensions?
A. Width: 15 m; length: 24 m B. Width: 14 m; length: 19 m C. Width: 19 m; length: 19 m D. Width: 24 m; length: 15 m
Mathematics
Use the quadratic formula to solve the equation.x(x - 2) = 9
A. {1 ± 
}
B. {1 ± 2i
}
C. {-1 ± 
}
D. {-1 ± 2i
}
Mathematics