Find the unknown value in the percent proportion  Round to the nearest tenth, if necessary.part = 56, percent = 20

A. whole = 28
B. whole = 2800
C. whole = 11.2
D. whole = 280

Answer: D

Mathematics

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A. f-1(x) = 6 + x
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C. f-1(x) = 
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Simplify the expression. Assume that all variables represent non-negative real numbers.9x - 12y + 6x

A. 3x2
B. 3xy
C. (15x - 12y)
D. y(15x2y - 12)

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Solve the problem. If the base of the log is not specified, assume that it is 10.The sales of a new product (in items per month) can be approximated by , where t represents the number of months after the item first becomes available. Find the number of items sold per month 3 months after the item first becomes available.

A. 1400 items per month B. 5400 items per month C. 10,400 items per month D. 900 items per month

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Mathematics

Match the graph to the function listed whose graph most resembles the one given.

A. reciprocal function B. cube function C. absolute value function D. square function

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Mathematics