Is the height of a person and the person's age linear

What is the simplified form of (3.25x10^3)(7.8x10^6) written in scientific notation?

Aflower has 26 chromosomes. to create a new flower, how many chromosomes would a sperm cell have? what is this process called? part 2: within a flower cell that has 26 chromosomes, how many chromosomes would a cell that is created within the stem of a flower as it grows, have? what is this process called?

Who long does it take to drive 150 miles at 45 miles per hour