Section 1  

Num  Answer  Num  Answer  
14  second  60  2  
22  tenth  64  5  
30  7x + 5y  7  70  16 9 

34  cannot be simplified  74  2 15 

44  4a + 2b + 10  82  7 9 

46  2 5 
84  15 4 

50  2 5  88  6  
54  20  92  2 
Section 2  

Num  Answer  Num  Answer  
6  7 4  38 


8  Square root of 145, about 12.04  42 


22 
 50  R_{1} = 2R_{T}  R_{2}  
24 
 54 


26 
 58 


28 
 80 

Section 3  

Num  Answer  Num  Answer  
2  25, 26  34  W = 4 ft L = 7 ft 

8  8.57 years  36  13 m by 13 m  
12  75.2 weeks  42  18  
16  $20 
Section 4  

Num  Answer  Num  Answer  
2  400 cc/hr  16  7.6 mph  
4  6.4 cm  24  5 hours  
8  12.2 sec  34  24 oz water  
14  4 hours 
Section 5  

Num  Answer  Num  Answer  
4  (a) (b) (2, 5) (c) { x  2 < x < 5 }  44  { x  23 < x 2 }  
12  52  { x  x 4 or x 6 }  
14  54  { x  x > 2 }  
26  (2, )  58  (2, 1)  
42 
 60  [2, ) 
Section 6  

Num  Answer  Num  Answer  
6  { 6, 4 }  30  [2, 3]  
12  { 8, 0 }  32  [1, 7]  
14  { 17, 23 }  38  (, 2] [8, )  
16  { 3 }  68  [1, 6]  
22  (2, 12)  78  [9, 11]  
24  (2, 8)  82  { 28, 32 }  
28  Ø  84  { 12, 2 } 