The large solid below is made from small cubes. Each has a side length of yd. Answer the questions below. Write your answers in simplest form.
(a) How many small cubes is the large solid made of?
(b) What is the volume of one of the small cubes?
vd
vd
(c) What is the volume of the large solid?
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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