For numbers 29-30, refer to the table below.
Enrolment of Students perdrade Lovel in HS torsy
2020-2021

29. What is the trend of the graph above from Grade 7 to Grade 8?
A. decreasing
B. increasing
C. both a and b
D. none of these
30. What grade levels has the same number of enrolments?
A. 7 & 10
B. 8 & 9
C. 8 & 10
D. 9 & 10
31. What grade level has the least number of enrolment?
A.7
B. 8
C. 9
D. 10​