What does "⋅" mean in math.. hi guys, i was doing math and i saw this question, "5⋅2/3" and i completely forgot what "⋅" means, i don't remember if it means multiple or divide..but it'd really if someone informed me!

Aman is 6 feet 3 inches tall. the top of his shadow touches a fire hydrant that is 13 feet 6 inches away. what is the angle of elevation from the base of the fire hydrant to the top of the man's head?

Asequence is defined recursively using the formula f(n + 1) =f(n) - 5. which sequence could be

Max recorded the heights of 500 male humans. he found that the heights were normally distributed around a mean of 177 centimeters. which statements about max’s data must be true? a) the median of max’s data is 250 b) more than half of the data points max recorded were 177 centimeters. c) a data point chosen at random is as likely to be above the mean as it is to be below the mean. d) every height within three standard deviations of the mean is equally likely to be chosen if a data point is selected at random.