Answer:

Step-by-step explanation:

1.) x=4
2.)? 20=32-50
3.)x= 16 divided by 4,3+1, etc.
Answer:
Step-by-step explanation:
8w+8 > -10w-5
18w + 8 > -5
18w > -13
w > -13/18
Answer:
The smallest possible length is 0.83m
Step-by-step explanation:
Given

Required
The smallest length of the tank
Since the tank is cubical, then the volume is:

This gives:

Express as 


Take cube roots of both sides

Rewrite as:

Approximate

480
This is this awnser because its 120 a second, for 4 seconds so 4 times 120 = 480.