Answer:
X³÷(X+2)
Step-by-step explanation:
÷
Answer:
a. Mom said, "Stephanie, please come here".
Answer:
a. An observational study
Step-by-step explanation:
An observational study is a study that has to do with the observation of individuals involved in the study. In such a study, zero effort is put to change the outcome.
This question tells us that the random sample of 291 individuals that underwent the weight loss program would go through a system of follow up to find out the change in weight. Therefore the design of the study is clearly an observational study.
The two labeled angles are alternate exterior angles, and as such, they are equal. This means that we can set up and solve the following equation: