ok so sorry im a lil dum but if its hot here in the U. S for summer, is it Cold in the summer for Cuba. im a lil confused

According to statistics a person will devote 32 years to sleeping and watching tv. the number of years sleeping will exceed the number of years watching tv by 18. over a lifetime, how many years will the person spend on each of these activities

Find the solution of this system of equation -7x+y=-20 9x-3y=36

7. the area of the playing surface at the olympic stadium in beijing isof a hectare. what area will it occupy on a plan drawn to a scaleof 1: 500?