Simplify the rational expression. If the expression is already in simplest form, state this as your answer.

A.
B.
C.
D.


Answer: C

Mathematics

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Find the exact value by using a half-angle identity.sin 75°

A. -  
B. -  
C.  
D.  

Mathematics

Graph the equation. ?   ?

A.
B. ?
C. ?
D. ?

Mathematics

Write the first four terms of the sequence.an = 

A. a1 = , a2 = - , a3 = , a4 = - 
B. a1 = , a2 = - , a3 = , a4 = - 
C. a1 = - , a2 = , a3 = - , a4 = 
D. a1 = - , a2 = , a3 = - , a4 = 

Mathematics

Find only the rational zeros.f(x) = x5 - 5x4 - 3x3 + 15x2 - 4x + 20

A. -5, 2, -2 B. 5, 2, 3 C. 5, 2, -2 D. No rational zeros

Mathematics