Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.(
+ 3)(
- 3)
A. 2
B. -4
C. 5 - 2
D. 14
Answer: B
Mathematics
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Solve the problem.Refer to the following preference schedule. If the Borda count method is used to determine the winner, is Fairness Criterion 1 satisfied?
A. Yes B. No
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Factor by grouping.2x3 - 10x2 - 3x + 15
A. (x + 15)(x2 - 10x - 3) B. Not possible C. (x - 5)(2x2 - 3) D. (x + 5)(2x2 - 3)
Mathematics
Solve the system of equations by using the inverse of the coefficient matrix if it exists and by the echelon method if the inverse doesn't exist. 2x + y = 2 5x + 3y = 4
A. x = -2, y = 2 B. x = -2, y = -2 C. x = 2, y = -2 D. No inverse, no solution for system
Mathematics
Solve the problem.The perimeter of a rectangular room is 44 ft. The width is 7 ft. Find the length.
A. 16 ft. B. 15 ft. C. 14 ft. D. 37 ft.
Mathematics