Write the equation of the line that passes through the points(8,-1) and (2,-5) in standard form, given that the point-slope form is y+1=2/3(x-8)

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?

Use composition to determine if (x) or h(x) is the inverse of f(x) for the limited domain x2-1.

Set $r$ is a set of rectangles such that (1) only the grid points shown here are used as vertices, (2) all sides are vertical or horizontal and (3) no two rectangles in the set are congruent. if $r$ contains the maximum possible number of rectangles given these conditions, what fraction of the rectangles in set $r$ are squares? express your answer as a common fraction.