What are the primary functions of motor oil? a. reduce friction and prevent wear b. keep engine surfaces clean c. remove heat to keep engine cool d. seal gaps between pistons and cylinders e. all of the above

Jason is working on a microsoft excel worksheet and he wants to create a print preview shortcut. his teacher asks him to access the customization option to create the new shortcut. which two tabs should jason select to place the print preview shortcut on the worksheet toolbar? a. new tab (custom) and new group (custom) b. new file tab (custom) and new tab (custom) c. new custom group and new command d. new custom tab and new command