Subtract. Use borrowing, if necessary. 
A. 4966
B. 3856
C. 4144
D. 5166
Answer: B
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Find the character of the roots.6 - 5a2 = 8a + 7
A. Two different irrational solutions B. Two different imaginary solutions C. Two different rational solutions D. Exactly one rational solution
Write the trinomial in standard form and then factor completely. If the trinomial cannot be factored, say it is prime.5x - 66 + x2
A. (x - 11)(x + 6) B. (x - 11)(x + 1) C. (x + 11)(x - 6) D. prime
Provide an appropriate response.According to data collected during one year in a large metropolitan community, 30% of commuters used public transportation to get to work, and this rose by 4% the following year. This is modeled by the transition matrix 
M = 
where P represents the percentage of people that use public transportation and P' the percentage of people that do not. Let S0 = [0.3 0.7]. Find S2.Round your answer to the nearest thousandths.
A. [0.372 0.628] B. [0.628 0.372] C. [0.66 0.34] D. [0.34 0.66]
Use an equation to solve the problem.When a number is added to its double and its triple, the sum is 150. Find the three numbers.
A. 50, 75, 100 B. 25, 50, 150 C. 50, 75, 150 D. 25, 50, 75