You walk 20 meters north, then 5 meters south. what is your displacement?
a. 15 meters
b. 25 meters
c. 15 meters north
d. 25 meters north

Solve: 3x+y=6 4x-2y=18 show all work !

Now, martin can reasonably guess that the standard deviation for the entire population of people at the mall during the time of the survey is $1.50. what is the 95% confidence interval about the sample mean? interpret what this means in the context of the situation where 95 people were surveyed and the sample mean is $8. use the information in this resource to construct the confidence interval.

What is the output, or dependent variable of quantity? 1: x 2: f(x) 3: y