Which is a system for maintaining customer information and connections?

Excel 2013 not only gives you the ability to conduct analyses on data from multiple sources, but you can also do more advanced data modeling ________

A) with slicers B) with sparklines C) in PowerPivot D) in Silverlight

Which of the following expressions will determine whether x is less than or equal to y?

a. x > y b. x =< y c. x >= y d. x <= y e. x == y and x < y