Graph the system of inequalities.4x + y ? 44x + y ? 0
A. 
B. 
C. No solution
D. 
Answer: A
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Find the mean.Following is a list of the number of bags lost for the past seven months at an airport. Find the mean number of bags lost. Round to the nearest whole number when necessary. 16 bags src="https://sciemce.com/media/4/ppg__2720711191401__f1q209g6.jpg" alt="" style="vertical-align: -4.0px;" />7 bags
A. 8 bags
B. 7 bags
C. 14 bags
D. 9 bags
13 bags
6 bags
14 bags
5 bags
4 bags
Use the basic trigonometric identities and the given information to find the exact values of the remaining trigonometric functions.tan ? = 
and sec ? = - 
A. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
B. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
C. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
D. sin ? = - 
cos ? = - 
tan ? = 
csc ? = - 
sec ? = - 
cot ? = 
Follow the proper order of operations to evaluate the following.30 ÷ 2(8 - 4)
A. 60 B. 22 C. 1920 D. 10
Find the standard deviation of the data summarized in the given frequency table.The manager of a bank recorded the amount of time each customer spent waiting in line during peak business hours one Monday. The frequency table below summarizes the results. Find the standard deviation. Round your answer to one decimal place. 
A. 5.3 B. 5.4 C. 5.1 D. 4.8