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students in a biology class just took a final exam. a formula for predicting the average exam grade on a similar test t months later is.
(a)find the students average score when they first took the final exam.
(b)what would be the expected average score be on a retest after 4 months.

  • algebra - ,

    I know the answers I just am not sure how to work the problem to get them.

    Please help me with the working of these problems.

    Thank you

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