Which change in m∠7 would make lines l and m parallel by the converse of the same side exterior angles theorem? a increase by 5°. b decrease by 85°. c double and then increase by 90°. d triple and then decrease by 5°.

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