Solve the equation by finding an expression for the determinant on the left, and then solving using the appropriate method.
= -10
A. ?
B. {-5}
C. {-4}
D. {4}
Answer: D
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The following question refers to a country with six states. There are 300 seats in the legislature and the percent of the population in each state is given in the table below.
Determine the number of "extra" seats under Hamilton's method.
A. 5 B. 3 C. 4 D. 2 E. 1
Solve the linear programming problem.A summer camp wants to hire counselors and aides to fill its staffing needs at minimum cost. The average monthly salary of a counselor is $2400, and the average monthly salary of an aide is $1100. The camp can accommodate up to 45 staff members and needs at least 30 to run properly. The camp must have at least 10 aides and may have up to 3 aides for every 2 counselors. How many counselors and how many aides should the camp hire to minimize cost?
A. 12 counselors and 18 aides B. 27 counselors and 18 aides C. 18 counselors and 12 aides D. 35 counselors and 10 aides
Complete.50 m = 
cm
A. 500 B. 0.5 C. 5.0 D. 5000
Subtract and check.
A. 656 B. 874 C. 746 D. 756