What is the domain of the function shown on the graph?

How far could you drive on 50 gallons of gas

X2 + y 2 = 36 x + y = 6 solve the system of equations.

Prove the divisibility of the following numbers: 25^9 + 5^7 is divisible by 30.also, read as (25 to the power of 9) + (5 to the power of 7) is divisible by 30. blank x 30what is the blank? ( it should be expressed in exponent form)