Write each of the following subsets of R as an interval: (i) A={x:xϵR,−3<x≤5}
(ii) B={x:xϵR,−5<x≤−1}
(iii) C={x:xϵR,−2≤x<0}
(iv) D={x:xϵR,−1≤x≤4}
Find the length of each of the above intervals
Given A={x:11x−5>7x+3,xϵR} and B={x:18x−9≥15+12x,xϵR}. Find the range of set A∩B.