On day 1 a plant has a
eight of 2 cm. It grows at
a steady rate of 0.5 cm
per week.

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.

Ibelieve the answer is pollen contains the sperm cell because the flower only has female parts and the pollen is the male part of the flower i believe