The ratio of boys to girls in Mr. Green's class is 4 to 5. There are 8 boys in the
class. How many girls are in the class?
A 5
B 9
C10

Use the data on the dot plot to answer the question.how many people read for more than three hours last week? i'm on a unit test review

The height of a plant, in inches, p years after planting it is given by the polynomial function r(p) = -2p% + 270p. find the height of the plant when p = 90 years.

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?