I’m rly confused pls help

The table above shows approximate conversions from gallons to liters. what is the value of x?

How many solutions does the nonlinear system of equations graphed below have?

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)