Which pairs of ratios could be used to form a proportion? a) 1/2 and 2/7 b) 1/2 and 2/2 c) 3/2 and 2/3 d) 5/1000 and 10/2000

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4