Solve the problem. Round amounts to the nearest cent and percents to the nearest tenth of a percent.A set of speakers that costs $105 sells for a 25% markup based on the cost. What is the markup of the speakers?

A. $131.25
B. $84.00
C. $420.01
D. $26.25


Answer: D

Mathematics

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Solve the problem.A biologist has a bacteria sample. She records the amount of bacteria every week for 8 weeks and finds that the exponential function of best fit to the data is A = 150 ? 1.79t. Express the function of best fit in the form 

What will be an ideal response?

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Use the rules of exponents to simplify the expression. Use positive exponents to write the answer.

A. 8t6
B.
C.
D.

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In the given number, name the place value for the digit 5.45.704

A. ones B. hundredths C. tenths D. thousands

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Solve.Solve: |6x + 7| - 5 = 0

A.
B.
C. ?
D.  

Mathematics