Solve the problem.Let A = 
and B = 
. Find A - 2B.
A. 
B. 
C. 
D. 
Answer: D
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Write an equation for the linear function and use it to answer the given question. The Math Club plans to pay a visitor 
to speak at a fundraiser. Tickets will be sold for 
each. Find an equation that gives the profit/loss for the event as it varies with the number of tickets sold. How many people must attend the event for the club to break even.
A. p = 74 + 5n; 15 people B. p = 74 - 5n; 30 people C. p = -74 + 5n; 15 people D. p = -74 + 5n; 30 people
Use the accompanying table to find the solutions to the given equation on 
cos ? - sin ? cos ? = 0
Y1 = cos(X)-sin(X)cos(X)
A. 0°, 180° B. 90°, 180° C. 45°, 135°, 225°, 315° D. 90°, 270°
Graph the system of inequalities. Indicate the solution set by shading.y ? (x + 2)3y ? (x + 2)2 - 6y + x ? 4
A. 
B. 
C. 
D. 
Find the foci of the given hyperbola.
- 
= 1
A. (-7, -3), (1, -3) B. (-3, -7), (-3, 1) C. (-8, -3), (2, -3) D. (-3, -8), (-3, 2)