Answer:
a model is an estimate or approximation of a data set. In the real world, there are too many variables to know exactly what will happen. However, if a model is a good fit, then it can be used to make predictions about what will happen. With a useful model, a predicted value should be a good estimate of an observed value.
Step-by-step explanation:
Took the assignment
Answer:
Vertical angle congruence theorem
Answer:
15
Step-by-step explanation:
15 is the greatest number that divides 45 60 75 without leaving remainder