Answer:
Hello! answer: 55
Step-by-step explanation:
55 + 35 = 90 HOPE THAT HELPS!
You have to calculate how many ways you can select six things (r)
from a set of 9 things (n). (See attached formula).
9! / 6! * (3!) =
9*8*7 * 6! / 6! * 3! =
9*8*7 / 3! =
3 * 4 * 7 = 84 lineups
Answer:

The maximum width must be 
Step-by-step explanation:
Let
L ----> the length of the rectangular pool
W ---> The width of the rectangular pool
we know that

so
----> inequality A
we have

substitute the value of L in the inequality A

simplify



The maximum width must be 
2/3 • 1/5 = 2/15
'of' always means multiplication.
The answer is 19.24
(seriously wish popcorn were that cheap)