Answer:
a
Explanation:
y=-2/3x+7 you multiply everything by 3 to cancel the fraction
3y=-2x+21 add 2x to both sides cuz u want the x and y on the left side for standard form
2x+3y=21
Well, it depends but adults can weigh up to 420,000 pounds
Organ systems are made up of tissues which are made up of cells.
Hopefully that helps and if u need a brief explanation about that just text me.
Phenotype are traits what is actually expressed
