
Subtract 50 from both sides:


hope this helps!
Answer:
A lurking variable is a variable that has an important effect on the relationship among the variables in the study, but is not one of the explanatory variables studied. Two variables are confounded when their effects on a response variable cannot be distinguished from each other.
Wouldn’t the answer be 19.
Answer:
N/A
Step-by-step explanation:
What is line AC, was there supposed to be a picture?