Which of these statements about statistical models is true? i. statistical models better understand real-world systems. ii. statistical models represent the real world. iii. statistical models predict future behavior.

This is geometry. could anyone ? i can't fail this class. my grade is quite low already.

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

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?