Solve the rational equation.
- 1 = 
A. {7}
B. {x|x ? 7}
C. {x|x ? -7}
D. {0}
Answer: B
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Answer the question.Tony and Barbara wish to determine the weight of their new size container of ice cream being packed in their Grayslake production plant. Describe the population.
A. None of these B. All containers of the new size produced in Grayslake C. All containers of all sizes produced in all their plants D. All containers of all sizes produced in Grayslake
Factor the trinomial completely. If the trinomial cannot be factored, say it is prime.x2 - x - 12
A. (x + 4)(x - 3) B. prime C. (x + 3)(x - 4) D. (x + 1)(x - 12)
Combine like terms whenever possible. Write the result with descending powers.7m2 - 3m2 - 3m2 - 9m2
A. Cannot be simplified B. -8m8 C. -16m D. -8m2
Solve the system of equations by Gauss-Jordan elimination.
A. {(-2, 1, -3)} B. {(1, -3, -2)} C. {(-2, -3, 1)} D. ?