Find the inverse of the invertible matrix.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve using the addition and multiplication principles together.2r + 2 = 12
A. 4 B. 12 C. 5 D. 8
Mathematics
Solve the problem.A chemical solution contains 7% sodium. How much sodium is in 
of solution?
A. 28.571 mL
B. 2.857 mL
C. 1.4 mL
D.
| 0.14 mL |
Mathematics
Find the limit.
A. 1
B. 
C. 0
D. No limit
Mathematics
Use the product rule to simplify the expression. Assume that the variables can be any real number.
A. 4
B. 4
C. 20
D. 4
Mathematics