Solve the system using the inverse that is given for the coefficient matrix.
?
A. {(-2, -28, -16)}
B. {(6, -40, -4)}
C. {(14, -64, 40)}
D. {(40, -62, -28)}
Answer: C
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Determine whether the given function is one-to-one. If it is one-to-one, find its inverse.f(x) = 
A. f-1(x) = 
B. f-1(x) = 
C. not one-to-one
D. f-1(x) = 
Solve the problem.Alex and Juana went on a 60-mile canoe trip with their class. On the first day they traveled 15 miles. What percent of the total distance did they canoe?
A. 400% B. 4% C. 25% D. 0.25%
Solve.A rectangular plot of land is 66 meters wide by 92 meters long. Find the length of the diagonal and, if necessary, round to the nearest tenth meter.
92 m
A. 113.2 m B. 64.1 m C. 114.4 m D. 158 m
Perform the indicated operations using the laws of exponents. Express the result using positive exponents.
A. 
B. 
C. 
D. 
E. 