Factor by grouping.18 - 9x - 2y + xy
A. (2 + x)(9 + y)
B. (2 - x)(9 - y)
C. (2 + x)(9 - y)
D. (2 - x)(9 + y)
Answer: B
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Write fraction as decimal number. Use bar notation for repeating decimals.
A. 1 B. 1.5 C. 0.8 D. 1.25
The following question refers to a country with five states. There are 240 seats in the legislature, and the populations of the states are given in the table below.
Using a divisor of D = 40,100, the modified quotas (to 3 decimal places) are
A. State A: 10.648; State B: 18.803; State C: 109.451; State D: 96.584; State E: 3.915. B. State A: 10.799; State B: 19.069; State C: 111.002; State D: 97.951; State E: 3.971. C. State A: 10.596; State B: 18.710; State C: 108.908; State D: 96.104; State E: 3.896. D. State A: 10.675; State B: 18.850; State C: 109.725; State D: 96.825; State E: 3.925. E. none of these
Solve the equation by the square root property.(x - 7)2 = -6
A. {7 ± i
}
B. {1, 13}
C. {7 ± 
}
D. {-7 ± 6i}
Provide an appropriate response.Indicate whether the following statement is true or false. Interchanging corresponding rows and columns of a matrix changes the sign of the determinant of the matrix.
A. True B. False