Use grouping to factor the polynomial.z4 - 5z3 - 7z2 + 35z
A. z(z2 - 7)(z - 5)
B. z(z2 - 5)(z - 7)
C. (z3 - 7)(z + 5)
D. z(z2 + 7)(z - 5)
Answer: A
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Solve the problem.A repair company's charge for repairing a certain type of copy machine fits the model 
where y is the amount charged in dollars and x is the number of minutes the repair person is on the job. How many minutes would it take for the cost of repair to reach $130? (Round to the nearest minute.)
A. 13 min B. 134 min C. 287 min D. 203 min
Graph the function f by starting with the graph of y = x2 and using transformations (shifting, compressing, stretching, and/or reflection).f(x) = -2x2 - 6
A. 
B. 
C. 
D. 
Tell whether the lines are "parallel", "perpendicular", or "neither."9x + 3y = 126x + 2y = 11
A. Parallel B. Neither C. Perpendicular
Represent the complex number below graphically.
A. 
B. 
C. 
D. 
E. 