Answer:
4 hours and 30 min every day
Step-by-step explanation:
2 days in weekend so 4 hour and 30 times two is 9 hours your welcome
 
        
             
        
        
        
Answer:
(a)8.0mg
(b)36.87 hours
(c)-0.168
Step-by-step explanation:
The amount of Valium in that person's bloodstream at any time can be modeled with the exponential decay function  (t in hours)
 (t in hours)
(a)After 12 Hours

(b)If A(t)=5mg
Then:

(c)

 
        
             
        
        
        
Answer:
a squared plus b squared = c squared
Step-by-step explanation:
a) 100
b) 153
Honestly I'm just guessing i'm only in algebra 1 and even if i wasn't I suck at geometry 
 
        
                    
             
        
        
        
48 because 9x=54. 54 divide by 9 is 6. 6 times 8 is 48
~JZ
        
             
        
        
        
Answer: B or D
Step-by-step explanation:
Karens ration is 5:15 whilst chens is 6:19
1/3 of 15 is gonna be 5, while 19 is gonna be around 6.3
I got 1/3 cause there is 3 colors, and red is one of them, since the question is asking about the total. I would be leaning more towards B though.