Find A-1 if it exists.A = 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Provide an appropriate response.The two triangles shown below are congruent. The sides corresponding to 
, 
, and 
(in order) are
.
A. 
, 
, and 
B. 
, 
, and 
C. 
, 
, and 
D. 
, 
, and 
Mathematics
Solve the system using the addition method. If the system is inconsistent and has no solution, state this. If the system is dependent, write the form of the solution for any real number x.
x - 
y = 3
x + 
y = 2
A. 
B. 
C. ?
D. 
Mathematics
Evaluate each expression following the order of operations.
+ 
A. 0
B. 
C. 
D. 
Mathematics
Solve the problem.A shirt company has 3 designs that can be made with short or long sleeves. There are 7 color patterns available. How many different types of shirts are available from this company?
A. 10 B. 12 C. 42 D. 21
Mathematics