Astudent has some $1 and $5 bills in his wallet. he has a total of 16 bills that are worth $40. how many of each type of bill does he have?

Tcan be concluded that % of the seniors would prefer to see more candid pictures in this year's edition of the yearbook.

Bugs bunny was 33 meters below ground, digging his way toward pismo beach, when he realized he wanted to be above ground. he turned and dug through the dirt diagonally for 80 meters until he was above ground

Which expression demonstrates the use of the commutative property of addition in the first step of simplifying the expression (-1+i)+(21+5i)+0