Determine whether the two matrices are inverses of each other by computing their product.
and 
A. Yes
B. No
Answer: B
Mathematics
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Graph the polar equation.r = 6 - 7 cos ?
A. 
B. 
C. 
D. 
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Construct a stem and leaf display for given data.The instructor of an introductory mathematics class has recorded the number of students attending his class in the last 4 weeks. Below are his recordings.
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.An Algebra class had 5 tests over the course of the semester. The table gives the average and high score for each of the 5 tests.
For what tests was the high score greater than 97 or the average greater than 80.
A. Test 1, Test 2, Test 3, Test 4 B. None C. Test 1, Test 4 D. Test 1, Test 2, Test 4
Mathematics
Simplify.0 ÷ 8 + 9 ? 4
A. 44 B. 36 C. 68 D. Undefined
Mathematics