Answer:
y= -x/6-9
x= -6y-54
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Emma is right because Jon put ¨2.5¨ notebooks when there are really $5 
Step-by-step explanation:
 
        
             
        
        
        
We can use the is/of = p/100 method here. Our given values are 90% and 1000. Think: "What number is 90% of 1000?" Let's plug in our values.
x/1000 = 90/100
Solve for x.
x = (1000)(0.9)
x = 900
So, 900 is 90% of 1000.
 
        
             
        
        
        
 Answer:
He donated $125 per month.
Step-by-step explanation:
$1250 divided by 10 months to figure out how much he payed each month.
 
        
             
        
        
        
There are four side to 2 pennies 
both (2) coming up head out all the side (4)
there is a 2/4 chance then simplify by dividing by 2/2 and get ½
so you have ½ chance of both becoming heads
Hope this helps :D