Construct a stem-and-leaf display for the given data table.
What will be an ideal response?
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Calculate in decimal form. 7.33 + 3
A. 7.33 B. 10.93 C. 10.63 D. 10.85
Use the laws of exponents to simplify. Do not use negative exponents in your answer.
A. 3
B. 32
C. 
D. 2
A cardiac monitor is used to measure the heart rate of a patient after surgery. It compiles the number of heartbeats after t minutes. When the data in the table are graphed, the slope of the tangent line represents the heart rate in beats per minute. The monitor estimates this value by calculating the slope of a secant line. Use the data to estimate the patient's heart rate after 42 minutes using the secant line between the points with t=38 and t=42.
Select the correct answer.
a. 74
b. 80
c. 85
d. 70
e. 76
f. 75
Solve the problem.Bob owns a watch repair shop. He has found that the cost of operating his shop is given by 
where c is the cost in dollars, and x is the number of watches repaired. How many watches must he repair to have the lowest cost?
A. 39 watches B. 61 watches C. 40 watches D. 30 watches