Verify that the matrix is invertible and find its inverse.A = 
A. A-1 = 
B. A-1 = 
C. A-1 = 
D. A-1 does not exist.
Answer: B
Mathematics
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Provide an appropriate response.Find the area of the given parallelogram:
A. 120 m2 B. 56 m2 C. 48 m2 D. 160 m2
Mathematics
Solve.The current in amps I drawn by an appliance in the home can be approximated using the formula I = 
,where P is the power measured in watts and R is the resistance measured in ohms. What is the current I if 
watts and 
(Round to three decimal places, if necessary.)
A. 8.944 amps B. 10.178 amps C. 11.18 amps D. 28.284 amps
Mathematics
Use basic identities to simplify the expression.sin ? cos ? sec ? csc ?
A. tan2? B. csc2? C. sec2? D. 1
Mathematics
Match the rational function with the appropriate graph.f(x) = 
A. 
B. 
C. 
D. 
Mathematics