Answer:
200
Step-by-step explanation:
Answer:
round
Step-by-step explanation:
hope I helped
ANSWER

EXPLANATION
The explicit rule for an arithmetic sequence is given by:

It was given that:

and

The common difference is

We plug in the values into the explicit formula to get,

Expand to get,

The explicit rule is

The positive trend among the homework scores and the test scores would reveal that if a student does well in homework, he is likely to do well in exams. This can be explained in the sense that the homework will serve as the practice for the student before finally taking the exam.
The answer is D because the slope formula shows that the answer is C or D and C would not make sense because the y intercept is impossible