In 1999 the stock market took big swings up and down. A survey of 979 investors asked how often they tracked their portfolio. Round answers to the nearest thousandth. Daily - 227

Weekly - 281

Monthly - 282

Couple times a year - 135

Don't track - 54

Find the probability that an investor tracks his or her portfolio:

a) daily

b) a couple times a year or less

c) more than monthly

Triangle xyz, with vertices x(-2, 0), y(-2, -1), and z(-5, -2), undergoes a transformation to form triangle x? y? z? , with vertices x? (4, -2), y? (4, -3), and z? (1, -4). the type of transformation that triangle xyz undergoes is a . triangle x? y? z? then undergoes a transformation to form triangle x? y? z? , with vertices x? (4, 2), y? (4, 3), and z? (1, 4). the type of transformation that triangle x? y? z? undergoes is a .