liyahsmith9534 liyahsmith9534 12-03-2024 Mathematics contestada Let a = {70,96,103,125,126,153,180,189,210 and r be an equivalence relation defined on a where arb if and only if a logical. equiv. b mod 7.a) (70,103)b) (96,125)c) (126,189)d) (180,210)