[Repost] I Need Help Badly Whit this Homework.

What number should be added to both sides of the equation to complete this square? x^2-10x=7

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?

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse