On the protractor below, draw a ray that bisects the given angle.

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

Can someone me with these questions? ?

For which rational expression is -2 an excluded value of x