Mika is working two summer jobs making 9$per hour babysitting and 17$ per hour lifeguarding. Last week Mila earned a total of 138$ and worked 2 more hours lifeguarding than hours babysitting determine the number of hours mila worked babysitting last week and the number of hours she worked lifeguarding last week

Nour and rana are shopping for a christmas tree. they are deciding between 2 22 different types of trees (real and fake) and 4 44 colors for the ornaments (white, silver, gold, and purple). they each created a display to represent the sample space of randomly picking a type of tree and a color for the ornaments. whose display correctly represents the sample space?