Find the missing part. l = 8, w = 4, h = 2 find the diagonal (d) of the base

What is the average rate of change for this function for the interval from x=2 to x=4 ?

The quadratic function h(t)=-16.1t^2+150 choose the graph representation

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?