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 90​% confidence interval estimate of the population standard deviation. 63
60
60
55
60
52
59
58
59
70
61

Angela rode his bike around a bike trail that was 1/4 of a mile long he rode his bike around the trail 8 * angelo says he wrote a total of 8/4 miles to russell says he's wrong and he actually and says that he actually wrote to my who is corrupt use words and trying to explain how you know.

The figure below shows rectangle abcd and the triangle eca on a coordinate plane.which of the following expressions represents the perimeter of triangle of triangle eca in units

Consider the sequence below. 3 , 1 , 1/3 , 1/9 , select the explicit function which defines the sequence.