If 9(x − 9) = −11, then x = ?
a. -92/9
b. -20/9
c. -11/9
d. -2/9
e. 70/9

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

Which of these tables represents a non-linear function?

Astick 2 m long is placed vertically at point b. the top of the stick is in line with the top of a tree as seen from point a, which is 3 m from the stick and 30 m from the tree. how tall is the tree?