Use Fundamental Identities and/or the Complementary Angle Theorem to find the exact value of the expression. Do not use a calculator.tan 55° - 
A. 0
B. -1
C. 2
D. 1
Answer: A
Mathematics
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Find the LCD. Build up the fractions to equivalent fractions having the LCD as the denominator.
and 
A. 
and 
B. 
and 
C. 
and 
D. 
and 
Mathematics
The triangles are similar. Find the angle or side in the other triangle that corresponds to the given angle or side.
A. 
B. 
C. Cannot be determined
D. 
Mathematics
Use the five-step strategy for solving word problems to find the number or numbers described in the following exercise.When 30% of a number is added to the number, the result is 260. What is the number?
A. 23 B. 130 C. 200 D. 60
Mathematics
Determine whether the sequence is geometric.an = 11
A. Geometric B. Not geometric
Mathematics