Write the expression as a square of a binomial: 9/25a^6b^2-a^4b^4+25/36a^2b^6

What is the value of the expression below? (81^2)^1/8

To describe a sequence of transformations that maps triangle abc onto triangle a"b"c", a student starts with a reflection over the x-axis.how should the student complete the sequence of transformations to map triangle abc onto triangle a"b"c"? plz

Acredit card advertises an annual interest rate of 23%. what is the equivalent monthly interest rate?