Listed below are speeds (mi/h) measured from traffic on a busy highway. this simple random sample was obtained at 3: 30 p. m. on a weekday. use the sample data to construct a 98% confidence interval estimate of the population standard deviation. 65 64 64 56 64 55 60 59 60 70 59 66

anyone? find the second, fifth, and ninth terms of a sequence where the first term is 65 and the common difference is -7. 72, 93, 121 72, 79, 86 58, 37, 9 58, 51, 44

What two criteria are needed for triangles to be similar

Which composition of similarity transformations maps polygon abcd to polygon a'b'c'd'? a dilation with a scale factor less than 1 and then a reflection a dilation with a scale factor less than 1 and then a translation a dilation with a scale factor greater than 1 and then a reflection a dilation with a scale factor greater than 1 and then a translation