There are 260 eighth grade students at south whitemarsh middle school al eighth grade students are required to enroll in etheir a music class or an art class no students take both art and music class the number of students taking music classes 14 more than twice the number taking art classes write an expression to represent of students taking art and music class

Which expression will have the same sum as 3_8 + 1/4?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

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