Algebra 1
posted by Dayana on .
Tell whether a correlation is likely. If it is, tell whether the correlation reflects a casual relationship. Explain your reasoning.
the amount of time you study for a test and the score you receive
the shoe size and the salary of a teacher

I will be happy to critique your thinking.

i think the first one is positive because studying can affect your test score. the second one might have no correlation

c(11c+4)

Marcus earned a score of 75 on his first test. What is the minimum score he must earn on his second test for his mean score to be at least 80?