Add.
a-
b+c
a+
b-2c
A. 8a + b - c
B. -8a + b - c
C. 2a + b - 2 c
D. 8a + b - 2 c
E. 2a - b - c
Answer: A
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The graph of a logarithmic function is shown. Select the function which matches the graph.
A. y = log2x B. y = 1 - log2x C. y = log2(-x) D. y = -log2x
Use the rules of exponents to simplify. Write the answer with positive exponents. Assume that all variables represent positive values.(b7/4)4
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If one student is selected at random what is the probability that he or she spent at least 10 hours in the lab?
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