A cable company charges $250 for installation of a cable system and $130 per month for operation of the system. Write an algebraic expression that represents
the cost of cable Service for m months.
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Aportion of a line bounded by two points is defined as

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

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