12. In the standard (x. y) coordinate plane, the point (2,1) is the midpoint of CD. Point C has coordinates (6,8).
What are the coordinates of point D?

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?

What is the scale factor of two similar pyramids with volumes of 64 cubic feet and 8 cubic feet

What is the mean of the data set 125, 141, 213, 155, 281