which statement describesa benefit of a model that uses three balls to model the sun-earth-moon system ?

Which equation represents the model shown? a)1/3 divide 1/6 = 2 b)2/3 divide 1/6 = 2/18 c)1/3 divide 1/6 = 1/18 d)2/3 divide 1/6 =4

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2

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