Find the exact value of the expression.cot 240°
A. 1
B. - 
C. 
D. -2
Answer: C
Mathematics
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Tell which set or sets each number belongs to: natural, whole, integer, rational, irrational, real.-22
A. Real, integer B. Real, whole C. Real, rational, integer D. Real, rational, integer, whole
Mathematics
Multiply and simplify any radicals in your answer. Assume that all variables represent positive real numbers.2
(
+ 
)
A. 2
+ 10
B. 10
+ 10
C. 2
+ 5
D. 2
+ 5
Mathematics
Determine whether the test point is a solution to the linear inequality.(-2, 1), -x - 3y ? -1
A. Yes B. No
Mathematics
Simplify.200 × {[(8 - .025) ÷ 0.05] - (17.5 - 3.01)}
A. 14,501 B. 21,751.5 C. 29,002 D. 36,252.5
Mathematics