Multiply.(3r + 9s)(3r - 9s)
A. 9r2 + 54rs - 81s2
B. 9r2 - 54rs - 81s2
C. 9r2 - 81s2
D. 3r2 - 54rs - 81s2
Answer: C
Mathematics
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Evaluate.i36
A. -i B. i C. -1 D. 1
Mathematics
Solve the problem.An organization determines that the cost per person of chartering a bus is given by the formula 
where x is the number of people in the group and C(x) is in dollars. Find the inverse of the function.
A. C-1(x) = 
B. C-1(x) = 
C. C-1(x) = 
D. C-1(x) = 
Mathematics
Perform the division. Write the answer with positive exponents.
A. -3 - 20x2
B. -3 + 4x4
C. -3 + 
D. 15x6 + 
Mathematics
Provide an appropriate response.Explain the process you would use to determine the best buy.
What will be an ideal response?
Mathematics