Answer:
x < 79
Step-by-step explanation:
The amount they scored (x or any other variable) is less than 79, so you have to use a less than sign.
 
        
             
        
        
        
Answer:
y = 6
Step-by-step explanation:
6 * y * 4 = 2 * 72
y = 2 * 72/24 = 6
 
        
                    
             
        
        
        
The question is asking for the sector arc length WZ,which can be find through the sector formula: 

Since both cz and wz are the radius, they have the same length
cz=wz=5 in.
In this case,
2丌(5)× 122°/360°
=10丌×61/180
=61/36 ×丌
≈5.32in.
Thus 5.32in. is the answer.
Hope it helps!
 
        
        
        
Step by Step : 
1. 9(2j + 7 + 5j) 
2. (9)(2j) + (9)(7) + (9)(5j) 
3. 18j + 63 + 45j
Answer: 63j + 63
        
                    
             
        
        
        
The probability of getting a 2 or a getting a black card, find individual probabilities; 
A standard deck has 52 cards. 
There are 4 2's in a normal deck; probability of getting it is 4/25 
The probability of getting a black card is; 26/52 since half the deck is red and black. 
Now add up the probabilities since it says "or" 
(4/52)+(26/52)=30/52 probability of the card that you were dealt being a two or a black card. 
Hope I helped :)