On average, a refrigerator door is opened 38 times each day. len has two refrigerators in his house based on this ,about how many times in a 3-week period are the refrigerator doors opened?

1. what expression would be the same as 6x+x+0 2. find the prime factorization of 60 3. write the expression for 6 + x in words.

The means and mean absolute deviations of the individual times of members on two 4x400-meter relay track teams are shown in the table below. means and mean absolute deviations of individual times of members of 4x400-meter relay track teams team a team b mean 59.32 s 59.1 s mean absolute deviation 1.5 s 245 what percent of team b's mean absolute deviation is the difference in the means? 9% 15% 25% 65%

Write as a product: ac^2–ad+c^3–cd–bc^2+bd