Alba earns $135 for taking care of her neighbor's dog for 9 days. how much does alba earn per day?

Brook states that the distance on the line is 4 units. caleb states that the whole line does not have a distance because it continues on forever. vivian states that the line is 6 units long. which distance did brook measure? which distance did vivian measure?

If 2(a^2+b^2)=(a+b)^2 then, > a+b=0, > ab=0, > a=b, > 2a=b

Combine like terms to make a simpler expression 3z+z