Solve.4 = 

A.
B. - 
C.
D. - 


Answer: C

Mathematics

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Find the exact value by using a sum or difference identity.tan 105°

A.
B. -2 - 
C.
D. 2 + 

Mathematics

Solve the quadratic equation by completing the square. Make sure your answer is simplified completely. If there are no real solutions, so state.x2 = 5 - 6x

A. x = -1 -  or x = -1 + 
B. x = -3 -  or x = -3 + 
C. x = -3 - 2 or x = -3 + 2
D. x = 3 + 

Mathematics

Write the expression as a logarithm of a single expression. Assume that variables represent positive numbers.log27 - log211

A. log2-4 
B. log2
C. log2
D. log4

Mathematics

Write the logarithmic equation as an exponential equation.log5125 = 3

A. 5125 = 3 B. 35 = 125 C. 53 = 125 D. 1253 = 5

Mathematics