Determine the size of the matrix.[5]
A. 0 × 0
B. 0
C. 1
D. 1 × 1
Answer: D
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Solve the problem.In the weighted voting system 
,
A. P1 and P2 have equal power, P3 is not a dummy. B. P1 and P2 have equal power, P3 is a dummy. C. all three players have equal power. D. P1 has all the power, P2 and P3 are dummies. E. none of these
Write the percent as a fraction or mixed number in lowest terms.15%
A. 
B. 
C. 
D. 
Solve the problem.It costs $900 to start up a business of selling hot dogs. Each hot dog costs 
to produce. Let y be the cost in dollars of producing x hot dogs. Write the cost equation.
A. y = .55x - 900 B. y = .55x + 900 C. y = 900x + .55 D. y = 55x + 900
Compute the discriminant. Then determine the number and type of solutions for the given equation.x2 + 7x + 6 = 0
A. 25; two unequal real solutions B. 0; one real solution C. -73; two complex imaginary solutions