Which ones are equal to eachother & why. A, B,C or D?

Lorne subtracted 6x3 – 2x + 3 from –3x3 + 5x2 + 4x – 7. use the drop-down menus to identify the steps lorne used to find the difference.

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

Helena lost her marbles. but then she found them and put them in 44 bags with mm marbles in each bag. she had 33 marbles left over that didn't fit in the bags.