Find the inverse matrix of A.A = 
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Graph the function. Determine the symmetry, if any, of the function.y = -|x|
A. Symmetric about the origin
B. Symmetric about the y-axis
C. Symmetric about the x-axis
D. Symmetric about the y-axis
Mathematics
Fill in the blank with one of the words or phrases listed below.
A(n) 
of a system of two equations in two variables is an ordered pair of numbers that is a solution of both equations in the system.
A. solution B. substitution C. dependent D. consistent
Mathematics
Find the volume.A hemisphere with radius 2.0 ft. Use 3.14 for ?. Round your answer to the nearest thousandth.
A. 133.973 ft3 B. 16.747 ft3 C. 9.42 ft3 D. 8.373 ft3
Mathematics
Evaluate the series.
A. -2 B. 23 C. -22 D. -18
Mathematics