Provide an appropriate response.Find 
if 3x2 + 7xy + y2 = 19
Fill in the blank(s) with the appropriate word(s).
- (6x + 7y/7x + 2y)
Mathematics
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Perform the indicated operation. 
A. -29
B. - 
C. -39
D. 29
Mathematics
Determine the values of x for which the function is differentiable.y = 
A. All real numbers except 5 B. All real numbers except 25 C. All real numbers D. All real numbers except -5 and 5
Mathematics
Find the marked price and sales tax. Round to the nearest cent.Total Sale: $378.17Sales Tax Rate: 4.25%
A. $265.38; $112.79 B. $366.27; $11.90 C. $362.75; $15.42 D. $359.31; $18.86
Mathematics
Perform the transformation.Write cos x in terms of cot x.
A. 
B. 
C. ± 
D. 
Mathematics