Set up the percent proportion for the application problem. Do not try to solve for any unknowns.Sales tax of $21 is charged on an item that costs $2600. What percent sales tax is charged?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Answer: A
Mathematics
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Solve the problem.Given that 
= 
,evaluate 
A. 
B. 
C. 
D. 
Mathematics
Factor the expression completely. If the polynomial is prime, state this as your answer.x4 - 81
A. (x2 + 9)(x + 3)(x - 3) B. (x2 - 9)(x2 - 9) C. (x2 + 9)(x2 + 9) D. prime
Mathematics
Write an equation in standard form using only integers for the line described.The line with slope 3, going through (6, 0)
A. 3x + y = 6 B. 6x + y = 3 C. -3x + y = -18 D. -6x + y = 3
Mathematics
Express as a single logarithm.4logbx - 
logby + 
logbw - 6logbz
A. logb
B. logb
C. logb
D. logb
Mathematics