Answer:
{x:x<-1} this is the answer
Answer:
The single equation is 
Step-by-step explanation:
We are given the following system of equations:


From the first equation:

Replacing in the second equation:


The single equation is 
Hello,
Area=π(10²-6²)=π(100-36)=64π
===========================
Answer:
72 feet
Step-by-step explanation:
you'll have to trust me ;)
Answer:
No
Step-by-step explanation:
You cannot work negative 3 hours, it's impossible. One possible solution would be to work 50 hours a week at dog walking for 7 dollars an hour, and 10 hours a week at Computers & More, Inc. for 12 dollars a week. This would give you 350 dollars from dog walking, and 120 dollars from Computers & More, Inc. This would be a total of 470 dollars.