Perform the matrix multiplication. Find AB for A = 
and B = 
.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.A salesman packed 3 shirts and 5 ties. With one shirt, he could wear all 5 ties. With another shirt, he could wear 4 ties. With the other shirt, he could wear only 2 ties. How many different combinations did he have?
A. 11 B. 22 C. 10 D. 40
Mathematics
Decide whether the relation is a function.?
A. Function B. Not a function
Mathematics
Approximate the square root. Round to the nearest tenth, if needed.
A. 26.3 B. 26.5 C. 26.6 D. 26.4
Mathematics
Determine if the parabola whose equation is given opens upward or downward.y = -4x2 - 2x - 2
A. Downward B. Upward
Mathematics