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

Which graph represents the solution of the inequality?

In a certain city, the hourly wage of workers on temporary employment contracts is normally distributed. the mean is $15 and the standard deviation is $3. what percentage of temporary workers earn less than $12 per hour? a. 6% b. 16% c. 26% d. 36%

Find the distance between the pair of points a(-1,8) and b(-8,4)