Find all values that make the expression undefined.
A. 20
B. 0
C. -5
D. 4
Answer: D
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Solve.Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 7 hours. How long will it take them to do the job if they work together?
A. 
hr
B. 
hr
C. 
hr
D. 7 hr
Fill in the blank with one of the words or phrases listed below.
A(n) 
can be written in the form ax + b < c, (or >, ?, ?).
A. linear equation in one variable B. numerical coefficient C. linear inequality in one variable D. percent
Find the amount of sales tax or tax rate and the total cost. Round money answers to the nearest cent if necessary.Amount of sale: $100 Amount of tax: $5.00
A. 7%, $105.00 B. 5%, $105.00 C. 0.5%, $105.00 D. 6%, $105.00
The graph shows the distribution of scores on a 10-point quiz. Which of the following statements is true about the distribution?
?
?
A. The mean is the same as the mode. B. The mean is greater than the mode. C. The mean is less than the mode.