Write the matrix equation as a system of linear equations without matrices.
= 
A. 8x - 8y = 8
4x - 8y = 8
B. -8x + 8y = 8
-8x + 4y = 8
C. 8x - 8y = -8
-8x + 4y = -8
D. 8x - 8y = 8
-8x + 4y = 8
Answer: D
Mathematics
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Evaluate the improper integral or state that it is divergent. 
A. 
2
B. 25 ln 2
C. 25 ln
D. 25 ln 
Mathematics
Find the odds.
What are the odds in favor of spinning a D on this spinner?
A. 1:6 B. 6:1 C. 1:7 D. 5:1
Mathematics
Either the dimensions of two matrices or the matrices themselves are given. Find the dimensions of the product AB and the product BA. If either is not defined, say so.A is 3 × 1; B is 1 × 3.
A. AB is not defined; BA is 1 × 1. B. AB is 1 × 1; BA is 3 × 3. C. AB is 3 × 3; BA is not defined. D. AB is 3 × 3; BA is 1 × 1.
Mathematics
Subtract.
- 
A. 
B. 
C. - 
D. - 
Mathematics