Solve.What is the sales tax on a dress priced at $130 if the sales tax rate is 6.9%?
A. $0.69
B. $138.97
C. $89.70
D. $8.97
Answer: D
Mathematics
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Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 9x + 2
A. 9; 9 B. 9h; 9a C. 9x - 9h; 9x - 9a D. 9; 9x - 9a
Mathematics
Find the requested function value of ?.If sin ? = 
, find sec ?.
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Add 
+ 
and reduce answers to lowest terms with improper fractions changed to whole or mixed numbers.
A. 
B. 
C. 
D. 
Mathematics
Simplify. Write your answers in the form of a+bi, where a and b are real numbers.(3 + 6i)(7 + 8i)
A. -27 + 66i B. 48i2 + 66i + 21 C. 69 + 18i D. -27 - 66i
Mathematics