second-period class average:
55+70+450+480+170+270+95 = 1590
1590/20 = 79.5
sixth-period class average:
65+225+480+595+270+190 = 1825
1825/20 = 91.25
on average, students in the sixth period class scored higher
Absolute value represents distance. Distances can't be negative.
So it's impossible to have |3-w| be some negative value.
Which is why

has no solutions
You write it like 3 21/100
Answer:
is questions no 6 is the correct answer
Answer:
11
Step-by-step explanation:
6 + 3 = 9
8 + 3 = 11