Solve and simplify.
? x = 171
A. 23
B. 385
C. 171
D. 76
Answer: D
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Find the slope of the line and sketch its graph.2x - 5y = -9 
A. slope = - 
B. slope = 
C. slope = - 
D. slope = 
Graph the unit circle using parametric equations with your calculator set to degree mode. Use a scale of 5. Trace the circle to find all values of t between 0° and 360° satisfying the statement.
?
?
__________
What will be an ideal response?
The table shows Jose's expenses for one month. Use the table to answer the question.What were Jose's total expenses for the month?Monthly ExpensesRent$569Food$194Car repairs, gas$83.82Utilities$68.78Phone (long distance)$65.46Phone (local)$23.13Drumming lessons$86Entertainment$57.31
A. 1062.36 B. 306.99 C. 1204.81 D. 1147.50
Solve the problem.The total cost to produce MP3 players in 2 models is given by C(x, y) = 2x2 + 4y2 + 4xy + 60, where red model is x and the green one is y.If a total of 60 players must be made, how should production be allocated so that the total cost is minimized?
A. 60 red players and 0 green players B. 59 red players and 1 green players C. 0 red players and 60 green players D. 30 red players and 30 green players