Answer:
not sure sorry 
Step-by-step explanation:
you prob gotta do it 
 
        
             
        
        
        
Answer:
{2,4} I know cause I JUST took the same test yesterday :) I guess I didin't help much huh
 
        
                    
             
        
        
        
Step-by-step explanation:
Total amount of cookies = 4250
butter cookies, b 
Almond cookies, a
Chocolate cookies, c 
It made 715 more butter cookies than
almond cookies
b = a + 715
It made 5 times as many chocolate cookies as almond
5a = c
Total amount of cookies
= a + b + c
= a + (a+715) + (5a)
= 7a + 715
7a + 715 = 4250
7a = 4250-715
a = 3535 / 7
a = 505
c = 5a
 = 5 (505)
 = 2525
The factory make 2525 chocolate cookies.
 
        
             
        
        
        
Answer:
No solution
Step-by-step explanation:
=> y+3 = y+9
<u><em>Subtracting both sides by y</em></u>
=> 
=> 3 ≠ 9
So, This equation has no solution.
 
        
             
        
        
        
1 day = 24 hours
1 hour = 60 minutes
1 minute = 60 seconds
60 seconds x 60 minutes = 3,600 seconds per hour 
3,600 seconds per hour x 24 hours = 86,400 seconds per day.
The light flashes 5 times every 10 seconds: 
5 flashes / 10 seconds = 1 flash every 2 seconds
86,400 seconds / 2 seconds = 43,200 flashes per day.