Solve.z4 - 9z2 + 18 = 0
A. 
, 
B. 
, 
C. 
, 
D. ±
, ±
Answer: D
Mathematics
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Use a graphing utility to graph the polar equation.r cos ? = 2
A. 
B. 
C. 
D. 
Mathematics
Provide an appropriate response.Determine if the expression (-2)-8 is positive or negative.
A. Positive B. Negative
Mathematics
Factor the difference of squares.x2 - 144
A. (x + 12)(x + 12) B. (x - 12)(x + 12) C. (x - 12)(x - 12) D. Cannot be factored
Mathematics
Tyrone opens an account at the local bank by depositing $50 of his birthday money. He continues to deposit $50 each month for 5 years. If the account pays 3
% interest compounded monthly, how much is in the account after 5 years?
What will be an ideal response?
Mathematics