Abigail wrote this expression to describe the decorations she needs to make each day to have them ready for the party.  which situation describes what d and 4 mean?   a. abigail does not know how many decorations she needs to make. she knows that she has 4 days to finish the decorations.   b. abigail does not know how many decorations she needs to make. she knows she has already made 4.   c. abigail does not know how many decorations she has already made. she knows she has to make 4 more to finish them all.   d. abigail does not know the number of days it will take to finish the decorations. she knows she needs to make a total of 4 decorations.