a=2, b= 6 b2_ a divided by 5a + 7 simplify answer

First, let's plug in the values of a and b into the expression:

b^2 / a divided by 5a + 7
= 6^2 / 2 divided by 5(2) + 7
= 36 / 2 divided by 10 + 7
= 18 / 10 + 7
= 1.8 + 7
= 8.8

Therefore, the simplified answer is 8.8.