Simplify the factorial expression.
A. 
B. 
C. 42
D. 2!
Answer: B
Mathematics
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Find the area of the surface. The part of the sphere x² + y ²+ z² = 64 that lies above the plane z = 1.
What will be an ideal response?
Mathematics
Multiply the real numbers. Write any improper fraction as a whole or mixed number where appropriate.(-6)
A. 7
B. - 2
C. - 7
D. 2
Mathematics
Evaluate the following expression.
A) 25
B) 35
C) 85
D) 105
E) 15
Mathematics
A rectangle is 4 feet longer than it is wide. If its area is 60 square feet, find its dimensions. ?
A. 6 ft by 10 ft B. 6 ft by 14 ft C. 10 ft by 15 ft D. ?4 ft by 9 ft E. 12 ft by 16 ft
Mathematics