Simplify. Assume that all factors in radicands represent real numbers that are greater than or equal to 0.
A. 
B. 
C. 
D. none of these
Answer: B
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Solve using the elimination method. If the system has an infinite number of solutions, use set-builder notation to write the solution set. If the system has no solution, state this. 9x - 7y = 28-7x - 5y = 20
A. (-1, -3) B. (0, -3) C. (0, -4) D. No solution
Simplify the expression, leaving your answer with only positive exponents. Assume that all variables represent positive numbers.(x4y6)-1/2
A. 
B. 
C. 
D. 
Factor the expression. Express your answer so that only positive exponents occur. (x + 6)-3/11 + (x + 6)-1/11 + (x + 6) 1/11
A. (x + 6)-3/11 [1 + (x + 6) -2/11 + (x + 6) -4/11] B. (x + 6)-3/11 [1 + (x + 6)4/11 + (x + 6)6/11] C. (x + 6)-3/11 [1 + (x + 6) 2/11 + (x + 6)4/11] D. (x + 6)-3/11 [1 + (x + 6)1/11 + (x + 6)3/11]
California community colleges are considered financially secure if college reserves are 6% of their total budget.Write this percent as a fraction and as a decimal.
