Solve the system using Gaussian elimination.
?
?
Please enter your answer as an ordered pair in the form (x, y).
What will be an ideal response?
(-3, 2)
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Graph the polar equation.r = - 1 - sin ?
A. 
B. 
C. 
D. 
Express the number in terms of j.
A. 7j
B. -j
C. -7j
D. j
Use the coordinates of the indicated points to find the slope of the line.
A. - 
B. 3
C. 
D. -3
Find a matrix A and a column matrix B that describe the following tables involving credits and tuition costs. Find the matrix product AB, and interpret the significance of the entries of this product.
?
A.
AB = 
Tuition for Student 1 is $1293, tuition for Student 2 is $1243, and tuition for Student 3 is $982.
B.
AB = 
College A costs $937 and College B costs $1140.
C.
AB =
Tuition for Student 1 is $1303, tuition for Student 2 is $1273, and tuition for Student 3 is $987.
D.
AB = 
College A costs $892 and College B costs $1026.