If possible, find the matrix product of AB.A = 
; B = 
A. AB = 
B. AB = 
C. AB = 
D. AB = 
Answer: A
Mathematics
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Verify the identity.cos 
= -sin x
What will be an ideal response?
Mathematics
Write the fraction.Of the 87 teachers at a school, 40 are women. What fraction of the teachers are women?
A. 
B. 
C. 
D. 
Mathematics
Express the number as an equivalent decimal. Use bar notation for repeating decimals.
A. 1.175 B. 1.75 C. 1.65 D. 1.25
Mathematics
Solve the problem.How many ways can a committee of 3 be selected from a club with 12 members?
A. 110 B. 1320 C. 6 D. 220
Mathematics