Karima says that only the numbers in columns 4 and 8 form equivalel Brenda says that only Karima's ratios and the numbers in columns 2 and 4 form equivalent ra-
Xavier says that Karima's ratios, Brenda's ratios, and the numbers in columns 1 and 2 form ed
Jody says that any pair of columns with even numbers forms equivalent ratios for 4:8.
Who is correct?

step-by-step explanation:

this is not a question

not only in mathematics, scientific proof also are required in the other field of science. also maths proofs are of particular structure, containing steps and logics. so proving is like doing science, it is science. that's why it is important to prove. 

an inaccurate proof leads to errors, or stating results that are not accurate.  which wil mess the probelm up you dont want this

1/4 is the answer if i recall correctly.