Without solving, determine the character of the solutions of the equation in the complex number system.x2 - 2x - 3 = 0
A. a repeated real solution
B. two unequal real solutions
C. two complex solutions that are conjugates of each other
Answer: B
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Angela and Ben want to divide fairly the chocolate-strawberry cake shown below. The total cost of the cake was $6.00. Angela values strawberry three times as much as she values chocolate, while Ben values chocolate twice as much as he values strawberry.
Which of the following is a fair division of the cake?
A. Angela gets the piece shown below, Ben gets the remaining piece.
B. Angela gets the chocolate half, Ben gets the strawberry half.
C. Angela gets the strawberry half, Ben gets the chocolate half.
D. Angela gets the piece shown below, Ben gets the remaining piece.
E. none of these
Find the center and radius of the circle.(x - 7)2 + (y + 8)2 = 25
A. (-8, 7), r = 5 B. (-7, 8), r = 25 C. (8, -7), r = 25 D. (7, -8), r = 5
Provide an appropriate response.Finish the statement with a correct response. To divide two fractions one needs to:
A. Use the reciprocal of the second fraction (divisor), add the numerators and multiply the denominators. B. Use the reciprocal of the second fraction (divisor) and multiply. C. Add the numerators and multiply the denominators. D. Add the numerators and factor the denominators.
Solve the problem. Round to the nearest tenth if necessary.Last year, Maria earned $377 per week. This year, her salary increased to 
per week. What is the percent of increase?
A.
| 6.7% |
B. 7.2%
C.
| 92.8% |
D.
| 93.3% |