Is there a comma in the following statement, at the end of this sentence? (shelly joyfully said)

The systems analysis phase includes three activities – requirements modeling, data and process modeling, and consideration of development strategies. choose two of these activities, explain their differences, and discuss how they are used to accomplish the main objective which is to understand the proposed project.

If a team of three workers, each making the u.s. federal minimum wage, produced these 12 rugs, what would the total labor cost be? don't forget that these workers would be working overtime.

Oliver is the vice president of production at his company and has been managing the launch of new software systems. he worked with a team of individuals who were tasked to create awareness about a specific product and also to approach potential purchasers of the product. which department managers were part of oliver’s team?