For problems 13-15, solve the system using any method.
A. 
B. 
C. 
D. infinitely many solutions
E. no solution
Answer: B
Mathematics
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Find the exact value of the trigonometric function. Do not use a calculator or tables.cot 
A. 1
B. 
C. 
D. 
Mathematics
Find the roots of the equations.
- 
= - 
A. 8 B. -4 C. -8 D. No solutions
Mathematics
Write the solution set in interval notation.x ? 
A. (
, ?)
B. [
, ?)
C. (-?, 
]
D. (-?, 
)
Mathematics
You are on a shopping trip. The store will round the amount you pay for each item to the nearest cent. Find the amount you will pay.35 mm film is 4 rolls for $12.43, so one roll is $3.1075. You pay:
A. $3.11 B. $3.21 C. $3.1 D. $3.108
Mathematics