Tom and Jerry had a race. Tom started at 0200 running at 4.5km per hour. Jerry started later at 6:30am running at 6.5km per hour. After five hours, who was ahead, and by how
much (answer in kilometres)

What is the order of these fractions from least to greatest 2/3 7/10 5/8 65/100

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

Which pair of expressions is equivalent? a 7(1–k)and7–k b 7(1–k)and1–7k c 7(1–k)and7–k d 7(1–k)and7–7k