Deven monitored the temperature one night in his refrigerator, as shown in the figure in degrees Fahrenheit. For approximately how many hours was the temperature below 28° Fahrenheit?

Awoman has 14 different shirts: 10 white shirts and 4 red shirts. if she randomly chooses 2 shirts to take with her on vacation, then what is the probability that she will choose two white shirts? show your answer in fraction and percent, round to the nearest whole percent.

Evaluate the function , when d = {9, 15, 30}. r = {5, 7, 12} r = {6, 10, 15} r = {6, 10, 20} r = {5, 12, 20}

Simplify. 3(4+4x) (type your answer in with no spaces)