Find the standard form of the equation of the circle having the following properties:
Center at the point (7,9))
Tangent to the y axis
What’s the standard form of the equation of this circle.

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)