Answer:
A: 8+9+10=27
9+10+11=30
10+11+12=13
B: 19+20+21
C: There isn't any.
Step-by-step explanation:
It just is lol.
Observe the given data distribution table carefully.
The 5th class interval is given as,

The upper limit (UL) and lower limit (LL) of this interval are,

Thus, the upper-class limit of this 5th class is 17.4.
Answer:
i beleive that B is the best option
It is linear since but it isn't proportional
Answer:
3 option is correct
Step-by-step explanation:
because all the domains and ranges calculation matches in eqn 3