Find an equivalent algebraic expression for the composition.cot (arctan (x))
A. 
B. 
C. 
D. x
Answer: C
Mathematics
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What two numbers on a number line are a distance of 10 away from –4?
A. –7 , 13 B. 7 , –15 C. 5 , –13 D. 6 , –14 E. –6 , 14
Mathematics
Use the elimination method to solve the system of linear equations. x + 8y = 672x + 7y = 62
A. (2, 9) B. (3, 8) C. No solution D. (-3, 9)
Mathematics
Find the exact value by using a sum or difference identity.sin 255°
A. 
B. 
C. 
D. 
Mathematics
Arrange the three fractions from smallest to largest.
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
, 
D. 
, 
, 
Mathematics