Please answer (Will give brainlst)!!

Or just try ur best I really don’t wanna fail:(

Aregression was run to determine if there is a relationship between hours of tv watched per day (x) and number of situps a person can do (y). the results of the regression were: y=ax+b a=-0.662 b=30.418 r2=0.703921 r=-0.839

Sasha drank 8 bottles of water everyday for a week. how many bottles of water did she drink in total?

Could someone with number 1 and 2