Evaluate the determinant.
A. 2ab
B. 0
C. a2 + b2
D. a2 - b2
Answer: D
Mathematics
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Write a fraction to represent the shaded portion of the figure.
A. 
B. 
C. 
D. 
Mathematics
Multiply. Write the answer in simplest form.
× 
A. 
B. 
C. 
D. 
Mathematics
Perform the operation and write the result in the standard form.(-4 - 6i) - (6 - i)
A. -10 + 5i B. 10 + 5i C. -10 - 5i D. -10 - 6i
Mathematics
McKenzie sells textbooks. She receives 7% on her first $1,000 in sales and 15% on the balance of her sales. If her sales in one month were $14,500, she would earn $2,025 in commission.
Answer the following statement true (T) or false (F)
Mathematics