Find the product, AB, if possible.A = 
, B = 
A. 
B. AB is not defined.
C. 
D. 
Answer: D
Mathematics
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Find the indicated sum.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation.|2x2 - x - 1|= 3
A. {
, - 
}
B. {
, 
}
C. {- 
, - 
}
D. no solution
Mathematics
Divide and simplify.
A. 5x B. 6x C. 6 D. 5x2
Mathematics
Solve the problem.As part of her retirement savings plan, Patricia deposited $100 in a bank account during her first year in the workforce. During each subsequent year, she deposited $50 more than the previous year. Find how much she deposited during her twentieth year in the workforce. Find the total amount deposited in the twenty years.
A. $1050; $11,500 B. $1100; $12,000 C. $1100; $24,000 D. $1050; $23,000
Mathematics