Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.A land developer wants to develop 8 acres of land. Each lot in the development is to be 
of an acre. How many lots will the land developer have in the 8 acres?
A. 
lot
B. 1
lots
C. 2
lot(s)
D. 28 lots
Mathematics
Find a unit vector that has the same direction as the given vector.u = 
A. 
B. 
C. 
D. 
Mathematics
Evaluate. If necessary, find common denominators and simplify completely.5
+ 8
- 2
A. 10
B. 10
C. 10
D. 10
Mathematics
For the given polynomial function, find the requested value.f(x) = 10x2 + 5x + 1; find f(-2)
A. 27 B. 21 C. -29 D. 31
Mathematics