At the theater, one section of seats has 8 rows with 12 seats in each row. in the center of each of the first 3 rows are 4 broken seats that cannot be used. how many seats can be used in the section?

Compute the standard deviation of the following set of data to the nearest whole number. 10, 10, 15, 20, 25

Given the net of the rectangular prism, what is its surface area?

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