need help finding the estimates of the intercept and slope of the linear regression of y on x

Question 5 The following is the summary of a sample data collected on n=10 students on x= # of hours spent studying for a testIr and y= the grade received on the test: Ex2 = 254 Egg = 55525 The estimates of the intercept and slope of the linear regression of g on x, respectively ELIE: (} 72.5 and 5.255 (} 155.552 and 5.255 (} 72.5 and 45.555 (} 55.555 and 5.255