Answer:
Concept: Algebraic Analysis 
 
- Those two symbols indicate one solution 
 
- Those symbols indicate a range of values 
 
- Indicates two bounded answers 
- In an inequality there is always a solution 
 
        
             
        
        
        
Answer:
x = 8 and y = 10
Step-by-step explanation:
Since the figures are congruent:
Angle PQR = EFG
6y + x = 68
Segment QR = FG
2x - 4 = 12
Solving that:
2x - 4 = 12
2x = 16
x = 8
Replacing x in 6y + x =68
6y + 8 = 68
6y = 60
y = 10
 
        
             
        
        
        
The probability that 1 girl and 2 boys will be selected is given by:

The correct answer choice is B. 1/2.
 
        
        
        
Answer:
--273
Step-by-step explanation:
100th term is equal a1 + 99d so 
100th term = 222 + (-5×99) = -273