Find the inverse of the matrix.
?
?
A. ?
B. ?
C. ?
D. ?
E. ?
Answer: E
Mathematics
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Solve the problem.Find the equation for the tangent plane to the surface 
at the point 
A. z = 2 B. z = 1 C. z = -1 D. z = 0
Mathematics
Multiply or divide.-42 ÷ 7
A. -6 B. -5 C. -7 D. 6
Mathematics
Find the requested sum of the arithmetic sequence.a1 = -13, d = 5 Find S5.
A. 12 B. -15 C. -13 D. -65
Mathematics
Choose the equation that matches the graph.
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics