Simplify the complex fraction.
A.
B. -
C. -
D. -
Answer: C
Mathematics
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Solve the system by the substitution method. If there is no solution or an infinite number of solutions, so state. Use set notation to express the solution set.
A.
B.
C.
D.
Mathematics
Use the rules for exponents to rewrite the expression and then evaluate the new expression. 3-2? 34
A.
B. 6
C. -729
D. 9
Mathematics
The graph of an exponential function is given. Match the graph to one of the following functions.
A. f(x) = 5x - 1 B. f(x) = 5x - 1 C. f(x) = 5x + 1 D. f(x) = 5x
Mathematics
Find the perimeter of the figure.
A. 80 m B. 130 m C. 110 m D. 160 m
Mathematics