Find the solution or solutions, if any exist, to the system.
A. infinitely many solutions of the form x = -7 - 
z, y = 
z, z = z
B. infinitely many solutions of the form x = 7 - 
z, y = 2z, z = z
C. infinitely many solutions of the form x = -7 - 
z, y = 2z, z = z
D. infinitely many solutions of the form x = 7 - 
z, y = 
z, z = z
Answer: D
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Provide an appropriate response.A teacher asked 12 students how many hours they had spent preparing for a test. The results are shown below. 5, 3, 10, 12, 8, 18, 5, 10, 4, 15, 6, 4Construct a boxplot for the data.
A. 
B. 
C. 
D. 
Solve the problem.Between x = -2 and x = 10, the largest value of the expression 
occurs where 
. Of the values of x that satisfy 
, which gives the maximum value of 
?
A. x = 2 B. x = 8 C. x = 7 D. x = 0
Solve the equation in the real number system.3x3 - x2 + 3x - 1 = 0
A. 
B. 
C. 
D. 
Multiply using the FOIL method.(x - 6)(x2 - 5)
A. x3 - 5x2 - 6x + 30 B. x2 - 11x + 30 C. -6x2 + x + 30 D. x3 - 6x2 - 5x + 30