State if each sequence is arithmetic (and state the common difference, d), 1 point
geometric (and state the common ratio, r) or neither. Example: arithmetic,
d=-7.*
1) -13, -20, -27, -34, ...
Your answer

answer: all of the odd numbers were opened

the first person was the one that was opening all of the lockers. since one is odd, this causes all of the odd number lockers to be opened in the end.

24

step-by-step explanation:

the graph shows 30% of students walk. 80 students were questioned, so the number that said they walk is

30% × 80 = 0.30 × 80 = 24