Write a function equivs of the type ('a -> 'a -> bool) -> 'a list -> 'a list list, which par- (6) titions a list into equivalence classes according to the equivalence function.

Why is it a good idea to leave an interview being courteous and polite?

Aplan to budget time for studying and activities is referred to as a study routine. study habits. study skills. a study schedule.

Businesses allocate resources for their best and most productive uses. the more a resource, the more costly it will be. a manufacturer that requires scarce and costly resources is likely to charge for its products.