R2-4r-77 = (r-11)(r+7)
r has to be greater than 11 in order for the formula to represent the area of a rug since a side length cannot be less than or equal to 0.
Divide 6 by 3
3 goes into 6, 2 times so one apple costs $2
I think it’s subtract 2x from both sides
According to Adam Smith, self interest and competition act as an invisible hand, guiding firms in a market-based economy.
Y=1/2x+6
Y-2=1/2(x+8)
Then simplify and get y by itself