-15
8-23=-15
To check
-15+23=8
Answer:
The lines are parallel
Step-by-step explanation:
y = -2x+1 and y = -2x+4 are in the form y = mx +b
Both have a slope of -2
If the slopes are the same the lines are parallel
Answer:
c. 4 and 42
Step-by-step explanation:
Given
-- independent variables
---- observations
Required
The numerator and denominator degrees of freedom
The denominator degrees of freedom is:



For the numerator, we have:


Answer:
yes!
Step-by-step explanation:
they have the same 3 angles in both