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Answer:1. Set of counting numbers from 1 to 10Roster form: {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}Cardinality: 102. Set of vowels in the English alphabetRoster form: {A, E, I, O, U}Cardinality: 53. Set of counting numbers divisible by 3 from 1 to 30Roster form: {3, 6, 9, 12, 15, 18, 21, 24, 27, 30}Cardinality: 104. Set of factors of 12Factors of 12: {1, 2, 3, 4, 6, 12}Cardinality: 65. Set of consonants in the word "ALGEBRA"Remove duplicates and vowels (A, E): Remaining letters are {L, G, B, R}Roster form: {L, G, B, R}Cardinality: 46. Set of months in the year that begin with BOnly month is **"B"**er months? No. Only "B" month is "B" (like Ber months)? No month starts with B.But if typo: Likely meant "Set of months beginning with letter 'J'"?If it really says B, then:Roster form: ∅ (empty set)Cardinality: 07. Set of letters in the word "CALCULATORS"Unique letters: {C, A, L, U, T, O, R, S}Roster form: {C, A, L, U, T, O, R, S}Cardinality: 8hope it helps:))pa brainliest po plss:)))thanks :))
