Why do you think city streets often are designed to be parallel or perpendicular? Just give 2-3 line explanation (no links/unhelpful answers)

What is the point slope form of a line with slope -5 that contains point (2,-1)

How many revolutions will a car wheel of diameter 28 in. make over a period of half an hour if the car is traveling at 60 mi/hr? the final answer is supposedly 21,609 but i have no idea how to get that, show work : )

Module 2 homework: descriptive statistics 40206 module 2: homework 56 randomly selected students were asked how many siblings were in their family. let x represent the number of pairs of siblings in the student's family. the results are as follows: # of siblings 1 2. 4 10 frequency 13 6 10 10 round all yeur answers to 4 decimal places where possible. the mean is: the median is the sample standard deviation is the first quartile is the third quartile is: what percent of the respondents have at least 3 siblings? % 83% of all respondents have fewer than how many siblings?