The midpoint formula for a segment is:

apply to points R and P 

using the definition of slope find the slope of the segment

apply to points R and P 

to lines are parallel when the slopes are the same 

two lines are perpendicular when the product of the slopes is equal to -1
 
 
        
             
        
        
        
That statement would be best express by " x + 25 < 75 ". Since the statement says the sum of x and 25, thus, it will be x + 25. Then it also states that the sum is less than 75, so the best expression would be " < 75".
        
             
        
        
        
One glass of milk has 11 carbs and one snack bar has 14 carbs.
Step-by-step explanation:
Let, 
Glass of milk = x
Snack bar = y
According to given statement;
4x+2y=72   Eqn 1
2x+3y=64   Eqn 2
Multiplying Eqn 2 by 2

Subtracting Eqn 1 from Eqn 3

Dividing both sides by 4

Putting y=14 in Eqn 1

Dividing both sides by 4

One glass of milk has 11 carbs and one snack bar has 14 carbs.
Keywords: linear equations, subtraction
Learn more about linear equations at:
#LearnwithBrainly
 
        
             
        
        
        
Answer:
D
Step-by-step explanation:
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