Answer:
hope that it helps you any
Step-by-step explanation:
first hour she drove 60mi
second hour she drove 50mi
third hour she drove 70mi
fourth hour she drove 20mi
fifth hour she drove 75mi
all together she drove 275miles
take 275 divide it by 5 you get an average of 55mph
 
        
             
        
        
        
Step-by-step explanation:
You're asking why 

let's transpose the first equation for y
-2x-6y=18
-6y=18+2x
6y=-18-2x
y=-18/6-2x/6
y=-3-⅓x as required
 
        
                    
             
        
        
        
Answer:
25
Step-by-step explanation:
he got an 80 so if that was his grade by answering 20 questions right then the correct answer would be 25 questions 
 
        
             
        
        
        
Domain (2 to 4)
Range (-2 to 8)
It’s not a function because there are three points with the x value of 3.
        
             
        
        
        
Answer:
4
Step-by-step explanation:
Given that:
Total yards of satin bought by Maddie =  yards
 yards
Number of yards required make one ribbon =  yards
 yards
To find:
Number of complete bows that can be made ?
Solution:
First of all, let us learn about converting the mixed fraction to fractional form.
Formula:

Therefore, total yards of satin bought by Maddie can be written in fractional form as:

One hair bow requires  yards of ribbon.
 yards of ribbon.
Number of hair bows that can be made, can be found by dividing the total ribbon length by ribbon required for making one hair bow.
Answer is:

4 hair bows can be made.