Simplify the expression. Write answer with positive exponents. Variables are positive real numbers.[
]1/2
A. xy1/2
B. 
C. xy
D. xy2
Answer: D
Mathematics
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Multiply and simplify.(3 - 3 csc ?)(3 + 3 csc ?)
A. 9 tan2x B. -6 csc2x C. 9 cot2x D. - 9 cot2x
Mathematics
Solve the equation.
+ 9 = 8
A. -1 B. 289 C. 1 D. No solution
Mathematics
Use substitution to determine whether the given ordered pair is a solution of the given equation.(-5, -14); y = 2x - 4
A. Yes B. No
Mathematics
Solve the linear inequality. Graph the solution set on a number line, and express the solution using interval notation.3x + 1 > 2x - 4
A. [-5, ?)
B. (-3, ?)
C. (-5, ?)
D. (-?, -5]
Mathematics