The following summary data reflect the number of days people rented a car for a sample of people in each of three cities. n sample Mean Sample Variance
Boston 5 3.60 5.80
Dalas 6 6.67 7.07
Seattle 4 7.75 6.25

The value of the pooled variance estimate is :

The graph shows the function f(x) = (2.5)x was horizontally translated left by a value of h to get the function g(x) = (2.5)x–h.

Lisa has three classes that each last 50 minutes. what is the total number of minutes of the three classes

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.