What is the formula for the accounting equation

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie

What is the area of mnp? 40 m2 60 m2 68 m2 127.5 m2

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)