What are the solutions of the equation?

(6,6)
(-6,6)
(-6,-6)
(6,-6)

 (6,6)

Assuming that the x is not supposed to be there, the only variable is z

Step-by-step explanation:

factor the given equation as  

(z - 6)(z -6)    -6×-6= +36   -6z - 6z = -12z

set each factor equal to zero to solve for z

z-6=0  z= 6

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.