please answer!! i rlly need help asap. like rn. basically, it is asking u to do which one of the yellow boxes fit with the blue boxes, only one. its basically ur matching, please give the right answer will be brainliest

phosphate, calcium ion, chloride ion, neon atom

step-by-step explanation:

a 4/6 = 9/12   not proportional

step-by-step explanation:

to find which are not proportional, we can use cross products

if it is true, they are proportional.   if it is not true, they are not proportional.

a 4/6 = 9/12

4* 12 = 6*9

48 = 54

not this is not proportional  

b 2/3 = 12/18  

2* 18 = 3 * 12

36 = 36

this is proportional

c 5/4 = 10/8  

5*8 = 4*10

40 = 40

this is proportional

d 7/5 = 35/25

7*25 = 5 * 35

175 = 175

is proportional

2/3

step-by-step explanation:

70.30

step-by-step explanation: