Answer:
D
Step-by-step explanation:
The first number in each co-ordinate is the same so -1 plus 4 is 5 units
 
        
             
        
        
        
Answer: x-10
Step-by-step explanation: 3x*2x= 10x; 3x*(-5)= -15x; 2*2x= 4x; 2*(-5)= -10
 
        
             
        
        
        
I dont really know the difference between them lol; also it's a little blurry
sorry
        
             
        
        
        
Answer:
c= 12.19
Step-by-step explanation:
Let's solve for c.
5.3(4x−2.3)=21.2x+c
Step 1: Flip the equation.
c+21.2x=21.2x−12.19
Step 2: Add -21.2x to both sides.
c+21.2x+−21.2x=21.2x−12.19+−21.2x
c=−12.19
Answer:
c=−12.19
 
        
             
        
        
        
We know that 15 elves represent the 20% of the total.
Since 20% is one-fifth, the total number of elves is

Alternatively, solve the proportion

which yields
