Answer:

Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
Answer:
The answer is B because you add up the 3 expenses
Step-by-step explanation:
Add the three expenses
If it cost $200 per month and you are makeing $900 per month you are making money off the machine.
<u>Convert mm to cm:</u>
130mm = 13cm
<u>Formula:</u>
Volume = Length x Width x Height
<u>Substitute known values into the variables:</u>
1404 = 9 x 13 x height
1404 = 117 x height
height = 1404 ÷ 117 = 12 cm
Answer : Height = 12 cm