Solve the problem.Juan Figueroa invested $5500 at 6% compounded semiannually. How much will be in the account in 7 years? Round to the nearest cent.
A. $8269.97
B. $8319.24
C. $12,434.97
D. $6764.31
Answer: B
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Provide an appropriate response.Plot the point 
and find other polar coordinates (r, ?) of the point for which: (a) r > 0, -2? ? ? < 0 (b) r < 0, 0 ? ? < 2? (c) r > 0, 2? ? ? < 4?
A. (a) 
, (b) 
, (c) 
B. (a) 
, (b) 
, (c) 
C. (a) 
, (b) 
, (c) 
D. (a) 
, (b) 
, (c) 
Provide an appropriate response.Express 12.25 as a mixed number.
A. 1225
B. 12
C. 122
D. 1
Use Descartes' Rule of Signs to determine the possible number of positive and negative real zeros for the function. Then, use a graph to determine the actual number of positive and negative real zeros.P(x) = x7 + x4 + x2 + x + 8
A. possible: 1 or 3 pos, 0 neg
actual: 1 pos, 0 neg
B. possible: 0 pos, 1 neg
actual: 0 pos, 1 neg
C. possible: 0 pos, 1 or 3 neg
actual: 0 pos, 1 neg
D. possible: 0 pos, 2 or 0 neg
actual: 1 pos, 0 neg
Solve the system of equations. If there is no solution to the system, give a reason.Solve using the addition method.4x + 7y = 344x + 2y = 64
A. (19, -6) B. (-19, 7) C. (-6, 19) D. (-19, 4)