Answer is 4 :) I hope it help you.
        
             
        
        
        
Answer:
A. 
Step-by-step explanation:
2/hour
2×4 hours =8 dollars ;
Then 3x(because we dk the time taken, so replaced by x and then times 3)
Equation =8+3x
 
        
             
        
        
        
Answer:
EF=3.6
Step-by-step explanation:
I'm going to use Pythagorean Theorem for side EF.
4.8^2+EF^2=6^2
23.04+EF^2=36
-23.04 -23.04
EF^2=12.96
sqrt sqrt
EF=3.6
 
        
             
        
        
        
Answer:
It depends
Step-by-step explanation:
Planet Fitness offers 10 bucks a month but they suck (Lunk alarm + pizza nights? really?) If they offer good services like 24 hour fitness or good equipment then go for it my guy!
 
        
             
        
        
        
Let’s represent his sister’s sales as x
3/4ths of his sister’s sales would be:
3/4x
3 less than 3/4ths of his sister’s sales would be:
3/4x - 3