The active sheet has a blue sheet tab.

When the formula =(4-2)*6/2+7 is evaluated in Excel, which will be the first mathematical operation performed?

A) subtraction B) multiplication C) division D) addition

When is the ideal time to measure system performance to form a baseline?

A. before the system is put into production B. under normal operating loads C. on weekends, when there is little use D. after a series of complaints that the system is performing poorly