Maria has taken five tests in each subject this semester.

match each subject with the number of points the mean would change if the lowest grade is dropped.

(round to the nearest whole number)

1. math: 49, 89, 77, 80, 91
2. science: 84, 75, 71, 71, 45
3. language arts: 77, 58, 79, 85, 92
4. history: 90, 66, 82, 85, 87
a. 7
b. 4
c. 6
d. 5