Write the system of equations associated with the augmented matrix. Do not solve.
A. 
B. 
C. 
D. 
Answer: A
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Perform the indicated operation and simplify.
+ 
A. 
B. 
C. - 
D. 
Solve the exponential equation. For irrational solutions, round to four decimal places.ex + 5 = 8
A. {2.5649} B. {-2.8599} C. {-2.4351} D. {-2.9206}
Write down all the subsets of the given set.{4, ?, 8, ?}
A. {4}, {?}, {8}, {?}, {4, ?}, {4, 8}, {4, ?}, {?, 8}, {?, ?}, {8, ?}, {4, ?, 8}, {4, ?, ?}, {4, 8, ?}, {?, 8, ?}, ? B. {4}, {?}, {8}, {?}, {4, ?}, {4, 8}, {4, ?}, {?, 8}, {?, ?}, {8, ?}, {4, ?, 8}, {4, ?, ?}, {4, 8, ?}, {?, 8, ?}, {4, ?, 8, ?}, ? C. {4}, {?}, {8}, {?}, {4, ?}, {4, 8}, {4, ?}, {?, 8}, {?, ?}, {8, ?}, {4, ?, ?}, {4, 8, ?}, {?, 8, ?}, {4, ?, 8, ?}, ? D. {4}, {?}, {8}, {?}, {4, ?}, {4, 8}, {4, ?}, {?, 8}, {?, ?}, {8, ?}, {4, ?, 8}, {4, ?, ?}, {4, 8, ?}, {?, 8, ?}, {4, ?, 8, ?}
Solve.
= 
A. 2
B. 
C. 
D. 2