Graph the solution of the system of inequalities.
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A. ?
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B. ?
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C. ?
?
D. ?
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E. ?
Answer: E
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Perform the indicated division.
A. 
B. x + 9 - 
C. x + 10
D. x + 9 + 
Solve. If necessary, round answers to the nearest hundredth.The grades are given for a student for a particular semester. Find the grade point average. The point values of grades are given below. A : 4, B : 3, C : 2, D : 1, F : 0 
A. 1.4 B. 16 C. 3.2 D. 1.44
Perform the indicated operations.( 7x2 + 5xy - 3y2 + 3) - ( 5x2 + 6xy + 5y2 - 9)
A. 15x2y2 + 12 B. 2x2 - xy - 8y2 + 12 C. 2x2 + xy + 2y2 + 6 D. -2x2 - xy - 7y2 + 11
At one high school, students can run the 100-yard dash in an average of 15.2 seconds with a standard deviation of .9 seconds. The times are very closely approximated by a normal curve. Find the percent of times that are indicated. Round to the nearest whole percent.Between 15.2 and 16.1 seconds
A. 14% B. 68% C. 34% D. 50%