The diameter of a circle is 3 m. Find the circumference \textit{to the nearest tenth}to the nearest tenth.

Pranza plotted point a in the coordinate plane below.

What adds to be the bottom number but also multiplies to be the top number with 8 on the bottom and 15 on top

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