Determine which graph represents the situation described.You owe your friend $50. You pay her back $2 per month for two months. The next month you do not pay her back anything. Then for the next two months you pay her $2 per month again.
A. 
B. 
C. 
D. 
Answer: D
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Solve the problem.A power outage affected all homes and businesses within a 2 mi radius of the power station. If the power station is located 6 mi west and 4 mi north of the center of town, find an equation of the circle consisting of the furthest points from the station affected by the power outage.
A. (x + 6)2 + (y - 4)2 = 4 B. (x - 6)2 + (y + 4)2 = 4 C. (x - 6)2 + (y - 4)2 = 4 D. (x + 6)2 + (y + 4)2 = 4
Find the slope and the y-intercept from the equation of the line. Sketch a graph of the equation.-4y = -3x - 21
A. m = - 
; y-intercept = 
B. m = 
; y-intercept = 
C. m = 
; y-intercept = 
D. m = - 
; y-intercept = 
Match the graph to its equation.
A. 
- 
= 1
B. 
- 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Use the fundamental identities to write the first expression in terms of the second.
 figure 1.png)