Answer:
Your answer should be C and D
Step-by-step explanation:
The y-intercept of the line is the value of y at the point where the line crosses the y axis.
 
        
             
        
        
        
Answer: 
The answer would not be A. It is B
Step-by-step explanation:
Because you are subtracting the equations, on the right side of the equal sign, you are subtracting -5 from 7. This is 7-(-5), which is equal to 7+5=12, not -12.
 
        
             
        
        
        
Answer:
250
Step-by-step explanation:
divide 1000 by 4 and you will get the unit rate
 
        
             
        
        
        
Answer:
8
Step-by-step explanation:
Since this is a rectangle, the opposite sides are congruent.
So the lengths of DG and EF are equal
3x + 5 = 29
3x = 29 - 5
3x = 24
x = 24/3
x = 8