A 2kg energy drink is placed inside a -20oC freezer to cool it off. What is the mass of the air needed in order to cool the energy drink from 25oC down to 17oC? Assume the refrigerator is a perfect insulator. The specific heat capacity of the energy drink is 4184 J/kgoC. The specific heat capacity of the air is 1000 J/kgoC.

What can each term of the equation be multiplied by to eliminate the fractions before solving? x – + 2x = + x 2 6 10 12

Due to financial difficulties the owner of 4 skateboard stores is going to close 2 of his stores. based on the money earned at each store, which two stores should remain open?

Question 1 of 10 2 points different groups of 50 graduates of an engineering school were asked the starting annual salary for their first engineering job after graduation, and the sampling variability was low. if the average salary of one of the groups was $65,000, which of these is least likely to be the average salary of another of the groups? o a. $64,000 o b. $65,000 o c. $67,000 o d. $54,000