Which geometric series converges?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!

Write the point-slope form of the line passing through (2, -12) and parallel to y=3x.

What is the interquartile range (iqr) of the data set represented by this box plot?