Solve. Remember to insert units when writing your answer.The sediment on the bottom of a creek is normally 16 cm thick, but a recent flood washed away 
of sediment. How thick is it now?
A. 9 cm
B. 153 cm
C. 15.3 cm
D. 15.93 cm
Answer: C
Mathematics
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Factor and simplify the algebraic expression.2x-2/3 + 18 x1/3
A. 
B. 
C. 
D. 
Mathematics
Decide on a suitable restriction on the domain so that the function is one-to-one and the range is not changed.f(x) = (x + 19)2
A. [-19, 19) B. [19, ?) C. [-19, ?) D. (-19, 18)
Mathematics
Use the graph to answer the question. 
What were the total sales for 2006?
A. $582,000 B. $50,000 C. $764,000 D. $48,000
Mathematics
Solve the equation.
+ 5 = x
A. x = 2 B. x = 2, 9 C. x = 9, 18 D. x = 9
Mathematics