Find A-1 if it exists.A = 
A. 
B. 
C. 
D. Does not exist
Answer: A
Mathematics
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Perform the indicated operations. Express your answer in standard form.Cube x + 3.
A. x3 + 27 B. x3 + 9x2 + 27x + 27 C. x3 + 9x2 + 9x + 27 D. 3x + 9
Mathematics
Find the LCM.2a - 18 and a2 - 9a
A. 2a2 - 9 B. 2a2 - 18 C. 2a(a - 9) D. 2a - 9
Mathematics
Factor.11z2 - 55z
A. 11(z2 - 5z) B. 5z(11z - 1) C. 11z(z - 5) D. 11z(z - 44)
Mathematics
Find a simplified value for x by inspection. Do not use a calculator.
?
__________
Fill in the blank(s) with the appropriate word(s).
Mathematics