Use the data set and line plot below. How many feathers are 2

1

4

inches or shorter?

A data set titled

A line plot named

A.

8

B.

12

C.

15

D.

5

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)