Answer:
6a+12b+18c
Step-by-step explanation:
Given condition is:
A sloth moves in one hour = 

So, a sloth moves in one hour = 
Hence, in 60 minutes a sloth moves = 400
In 1 minute sloth will move = 
In 90 minutes it will move = 
The answer is 600 units.
Answer:
(x+11)(x-11)
Step-by-step explanation:
A ^2 - B ^2 =(A+B) (A-B).. (*)
x^2 - 121=
x^2 - 11^2=(*)
(x+11)(x-11)
Answer: x = -1 y = 4 I got my answer by solving for one variable in the first equation and then substituting what I got for that variable into the second equation in place of that aforementioned variable then solving for the last variable.