Solve.Michael hired Heather to iron his dress shirts. Heather charges $40 an hour plus $0.25 for each shirt ironed. Heather worked 4 hours and sent a bill to Michael for $163. How many shirts did Heather iron?
A. 48 shirts
B. 652 shirts
C. 12 shirts
D. 3 shirts
Answer: C
Mathematics
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Provide an appropriate response.Suppose that a data set has a mean of 100 and a standard deviation of 5. If a positive number k is added to every item of the data set, how will this affect the mean and the standard deviation?
What will be an ideal response?
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Write the ratio in lowest terms.63 years to 112 years
A. 
B. 7
C. 
D. 
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Convert to an exponential equation.log5 
= -3
A. 5-3 = 
B. 51/125 = 3
C. 35 = 
D. 
3 = 5
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If AR and CS are chords in circle O, then
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Mathematics