PLEASE HELP 40PTSSS MY OBJECT IS A CHAIR

does your object have congruent segments, congruent angles, parallel or perpendicular lines, or any special shapes such as equilateral triangles, squares, or regular hexagons?

A. 90 degrees b. 45 degrees c. 30 degrees d. 120 degrees

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.

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?