Evaluate the following expression using the values given:

find x3 − 2y2 − 3x3 + z4 if x = 3, y = 5, and z = −3.

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?