Which transformations will produce similar, but not congruent, figures?

select each correct answer. (more than one answer)

a) square abcd is reflected across the x-axis and then dilated by a scale factor of 2 to form square a"b"c"d" .

b) square abcd is dilated by a scale factor of 45 and then translated 1 unit right to form square a"b"c"d" .

c) square abcd is translated 8 units right and 8 units up and then reflected across the y-axis to form square a"b"c"d" .

d) square abcd is rotated 270° clockwise and then dilated by a scale factor of 13 to form square a"b"c"d" .

Which equation represents the partial sum of the geometric series?

Farmers know that driving heavy equipment on wet soil compresses the soil and injures future crops. here are data on the "penetrability" of the same type of soil at two levels of compression. penetrability is a measure of how much resistance plant roots will meet when they try to grow through the soil. compressed soil 2.85 2.66 3 2.82 2.76 2.81 2.78 3.08 2.94 2.86 3.08 2.82 2.78 2.98 3.00 2.78 2.96 2.90 3.18 3.16 intermediate soil 3.17 3.37 3.1 3.40 3.38 3.14 3.18 3.26 2.96 3.02 3.54 3.36 3.18 3.12 3.86 2.92 3.46 3.44 3.62 4.26 use the data, omitting the high outlier, to give a 95% confidence interval for the decrease in penetrability of compressed soil relative to intermediate soil. compute degrees of freedom using the conservative method. interval: to

Robert plans to make a box-and-whisker plot of the following set of data. 27, 14, 46, 38, 32, 18, 21 find the lower quartile, the median, and the upper quartile of the set? lower quartile: 19.5; median: 29.5; upper quartile: 42 lower quartile: 14; median: 27; upper quartile: 46 lower quartile: 18; median: 27; upper quartile: 38 lower quartile: 16; median: 29.5; upper quartile: 42