Which of the following proportions is false?

24 20
30 25

25 75
45 135

10 40
25 100

18 40
48 50

there fractions

Can any one me with the answers to these questions asap?

What are the first 4 terms in the multiplication pattern given by the formula 2×4n

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%