Help will give branliest if correct! :))

Multiplying an even number of negative numbers gives an answer that is choose from:

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Aflower has 26 chromosomes. to create a new flower, how many would a sperm cell have what is called?