39) y=20x+175
40) y=20(2)+175, so $215
Tenth: 243.9
Hundredth: 243.88
Ten: 240
Hundred: 200
The greatest common factor of 9, 18 and 21 is 3 so that is the number that we'll factor out
to do this divide all three numbers by 3 to get
3(3a-6b+7c)
I hope I've helped!
What do you need help with?
