この長文の1部の訳を教えて欲しいです🙇

ars ago,he already had four small children from When Imarried mV husband、 hiS preViQuS arriage。 Tbecame their Stepmothers and Watched them becornc Young teenagers。 Although they jived primarily W arncd tO adjust。 We enjoyed Vacations toOgether、 ith their mother、they spent a lot of dme Nuith us as well、Over he years、We al ]ea ae family meals、WorKcd on homework、 played bi hat li sider。 Since I had no children of my Own、 my limited Q my husband's four、 and often I felt sad because eball、 rented videos。 FIOWeVer。 志 condinued tQ fe eNperience Qf parenting W T OUuId never knQW the special bOnd that exiSts betvecn DaTCnt and a child. Hen the Children moved tO a Own that was a fiVe-hour drive aWayx my husband as understandably upset We promptly set up an e-mail and chatline serVice。 っ) LDS This technology、 combined with the telephone, would enable us to reach the children on a daily baSiS by sending frequent notes and ImesSageS。 and even chatting together When we were all on-line.

有効数字についてです 下線部の箇所19.6m→20mにするのがなぜかわかりません🤔

皆さんの英語の授業用ノートみせてください！ 最近英語のノートをどういうふうにとったらいいかわからなくて、 おねがいします🙏

how do i see stuff in english

解き方がわかりません！教えていただけませんか？お願いします！

(2)で、xの式って x=Asinωt だと思うのですが、なぜcosなんですか？

間違っているところの解説をお願いします！ (1番上は、因数分解の問題です。)

数学Aの整数の性質のところです。 解ける人教えてください！

(2)(3)(4)を教えてください🙇‍♀️

clearのLINEのアカウントが出てこないのですが、どうすれば出てきますか