Please y'all I need help!

Simplify (a/b - b/a) times (a - a^2/a+b) a - a^2/a=b is a mixed number

Drag each sequence of transformations to the correct location on the table. classify the sequences of transformations based on whether or not they prove the congruency of the shapes by mapping shape i onto shape ii. plz i'll rate u 5 stars need this done for a mastery test

At $1.32 million, they closed last month percent above what they paid in 2007." how much did they pay in 2007?