What is tha length of Mac address ?

You are working with a professional edition organization. they wish to install the expense tracker which requires the use of 4 custom tabs, 3 custom objects, and one custom app. if the company is already using 4 applications, 36 custom objects, and 7 custom tabs, what will happen when they try to install expense tracker?

While preforming before operation pmcs, you notice the front right tire appears slightly under-inflated. what is the proper action?

Need ! will choose brainliest! discuss the role of abstraction in the history of computer software.