please,could you help with d and e .

Next question To corn full reed's for thi qetation, or your den sheet of poper to seler the problem, showing all areas T your mail Amryreuben was not to deterning If there ha relationbly between the happiness index (y) and its b-0.813 Jaj Write the equation of the Least Squme Begrewtion lise of the firm (b) Which h a pourble value for the correlation coolfictent, of Odecrane [d ] H the life expectancy is Increased by 2 years in a certain country, how much will the happiness index chingel Anand to two decimal places. It Use the repeision line to predict the happiness ledex of a country with a life expectancy off 35 years. Found to two decimal placei. Win the ipice below to type your answer AND/OR to upload a picture of your work for all the question in this