Find all real numbers that satisfy the equation.cot 
= 1
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Simplify the expression by combining like radicals where possible.5
+ 
- 4
A. 2
B. 
+ 
C. 9
+ 
D. 
Mathematics
Solve the problem.The disk (x - 4)2 + y2 ? 9 is revolved about the y-axis to generate a torus. Find its volume. (Hint: 
= 
?, since it is the area of a semicircle of radius 3.)
A. 36? B. 72?2 C. 18?2 D. 36?2
Mathematics
Write the negation of the following statement.~p: It is not true that today is May 9.
A. p: Yesterday was not May 7. B. p: Today is May 9. C. p: It is not true that today is May 10. D. p: Today is not May 10.
Mathematics
If the Babylonian numeral 
stands for one and the Babylonian numeral 
stands for ten, then write the Babylonian numeral as a Hindu-Arabic numeral.
A. 2,416,271 B. 44 C. 2,200,271 D. 3300
Mathematics