What is the area of the triangular prisim

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

What does the sign of the slope tell you about a line?

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²