Use the unit circle to determine the value of the given expression or state that it is undefined.cot 
A. 
B. - 
C. - 
D. 
Answer: A
Mathematics
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Multiply.2x3(4x + 6)
A. 8x4 + 6 B. 8x4 + 12x3 C. 20x3 D. 8x + 12
Mathematics
Solve the problem.It is observed that the sales of a certain recording fall to 75% of their original level one month after advertising stops. If this continues, what will be the sales after 4 months?Enter just a real number rounded to one decimal place (no units or symbols).
Fill in the blank(s) with the appropriate word(s).
Mathematics
Simplify the decimal expression.73.2(6.8 )
A. 497.76 B. 497.87 C. 80 D. 498.86
Mathematics
Find the regression line without using a calculator.
A. y = 0.9x - 2.79 B. y = 0.9x - 3.79 C. y = 0.9x + 3.79 D. y = 0.8x - 3.79
Mathematics