Two questions for this one #18 and 19

An instructor measured quiz scores and the number of hours studying among a sample of 20 college students. If SSxy = 42, SSx = 99, My = 7, and My = 5, then what is the regression equation for this sample (Round your numerical values to three decimal places.) Y = X + Additional Materials Section 16.1 [-/1 Points] DETAILS PRIVITERASTATS2 16.E.023. MY NOTES ASK YOUR TEACHER PRACTICE ANOT A researcher tested whether time of day could predict mood in a sample of 17 college students. If SSresidual = 135, then what is the standard error of estimate in this sample? Additional Materials Section 16.1