What is the length of the mid segment BD

Aiden buys two bags of chips at $1.09 each and a 20 ounce soda for $1.20 at the gas station.he knows that the state tax is 5.5. how much change will he receive from a $5 bill?

Solve this system of equations. 12x − 18y = 27 4x − 6y = 10

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g