Can somebody please help me with this math question?

Calculate the effective quarterly compound interest rate equivalent to a 1% of monthly compound interest rate.

Twelve different video games showing substance use were observed and the duration times of game play (in seconds) are listed below. the design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 99% confidence interval estimate of μ, the mean duration of game play. 4028 4316 4816 4650 4036 5010 4833 4331 4307

The base of a prism is a regular hexagon with the perimeter of 78mm the height of the prism is 16mm what is the area of one of the rectangular faces of the prism?