Exercise B Direction: Determine the number of subsets of the sets below. 1. M = (10) 2. Y = {x/x is a vowel of the alphabet) 3. X=(11,21,31,41,51) Exercise C Direction: Give all the subsets of the given set. 1. M = {10} 2. Y = {x/x is a vowel of the alphabet) 3. X=(11, 21, 31,41,51)​