Suppose ? is an angle in standard position. Given an equation of the terminal side of ?, give the exact value of the indicated trigonometric function(s). Rationalize denominators if necessary.7x + 4y = 0, Quadrant IIFind 
A. 
B. 
C. - 
D. 
Answer: A
Mathematics
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Solve the problem.The sum of 81 times a number and the reciprocal of the number is positive. Find the numbers which satisfy this condition.
A. any number between - 
and 
B. any number greater than 
C. any number greater than 0
D. any number between 0 and 
Mathematics
Solve the equation.ln (21) - ln x = ln (x - 4)
A. x = -3
B. x = 
C. x = 7
D. x = 7, x = -3
Mathematics
Tell whether permutations or combinations are being described.7 dishwashers are ranked for performance by an independent laboratory.
A. Combinations B. Permutations
Mathematics
Find the set of possible rational zeros given the function.f(x) = 3x3 + 35x2 + 35x + 27
A. {±1, ±3, ±9, ±27}
B. 
C. 
D. {±1, ±3, ±6, ±9, ±27}
Mathematics