Solve the problem.A set of chairs costs $316. The sales tax is $15.80. What is the sales tax rate and what is the total price paid?
A. 7%, $331.80
B. 6%, $331.80
C. 0.5%, $331.80
D. 5%, $331.80
Answer: D
Mathematics
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Evaluate the integral.
A. 6 tan-1 
+ C
B. 
tan-1 (x + 6) + C
C. 
tan-1 
+ C
D. 
tan-1 6x + C
Mathematics
Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. x = 
, x = - 
B. x = 8
C. x = 40
D. Defined for all real numbers
Mathematics
Factor completely. If the polynomial is prime, state so.343p3 - 1
A. (7p - 1)(49p2 + 7p + 1) B. (343p - 1)(p2 + 7p + 1) C. (7p - 1)(49p2 + 1) D. (7p + 1)(49p2 - 7p + 1)
Mathematics
For the given pair of points, find the equation of the line 
that goes through the points by solving a system of equations.(-3, -2) and (4, 19)
A. y = 3x + 7 B. y = 3x - 2 C. y = 6x + 7 D. y = 3x - 11
Mathematics