A plant is a(an) * O unicellular prokaryote
O multicellular prokaryote
O unicellular eukaryote
multicellular eukaryote

a. the production of carbon dioxide through the process of photosynthesis

try using substitution:

x + y - 6 = x - y. (i'm not giving you the exact answer). since 0 = x - y, then sub 0 in the equation with x - y. combine your like terms, and then use inverse operations, and you'll have your answer.

: -)

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.