URGENT What method could be used to prove the below triangles similar?

The table shows the balance of a money market account over time. write a function that represents the balance y(in dollars) after t years.

You have 12 balloons to blow up for your birthday party. you blow up 1/3, and your friend blows up 5 of them. what fraction of the baloons still need blowing up

Find the missing variable for a parallelogram: a = latex: 28in^2 28 i n 2 h = b = 6.3 in (1in=2.54cm)