Perform the indicated operation.Let C = 
. Find 
C.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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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
Solve the problem.If cos A = 
and 
, where 
and 
, then find sin(A - B).
A. - 
B. - 
C. - 
D. - 
Mathematics
Multiply and write the result in standard form.(9 + 3i)(6 - 9i)
A. 27 + 99i B. 81 - 63i C. -27i2 - 63i + 54 D. 81 + 63i
Mathematics
Solve the problem.A certain mathematics test consists of 20 questions. Goldie decides to answer the questions without reading them. In how many ways can Goldie fill in the answer sheet if the possible answers are true and false?
A. 40 B. 400 C. 1,048,576 D. 190
Mathematics