Cho tứ giác ABCD. Gọi E,F theo thứ tự là các điểm thuộc cạnh BC/BE=EF=FC. Tính tỉ số DT của a) tam giác DAC và tam giác DCE b) tam giác DAC và tứ giác ADFB, c) tứ giác ABED và ABFD Help me plz,plz

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Ex1: Choose the correct alternative to complete the questions 1 What is your biggest (expense/cost) each month ? 2.Do you regularly pay into a (deposit/payment) account ? 3.Would you prefer to (be in debit/be in debt) to a bank or to a family member ? 4.What's the best way to (owe/save) money for the future? 5. Do credit cards encourage people to buy things that they can't really (pay for/spend)? 6. Should children have to earn their (pocket money/savings)? 7.Have you ever (won/been left) money when someone died? 8.How important to you is having a large (expenditure/income)? 9.What's the best way to (cut back/save up) on household spending? 10.Which is more important for government to focus on - health or education (expenses/expenditure)? Ex 2. Match the responses with the words below: (related to question in 1) a. Overreliance on credit facilities can lead to debt and even bankruptcy. b. Public spending in both these area is a priority. ........................... c. For most people it's their accomodation but I'm lucky - I live with my parents so I don't have a mortage and I don't have to pay rent. ........................... d. Probably by cutting down on the amount you spent on non-essential items and luxiries. ........................... e. Doing small jobs around the house should teach them value of money. ........................... f. I'm happy as long as my earnings exceed my outgoings-I don't mind not being well-off. ........................... g. I used to, but inflation has been so high recently I can only just manage to get by on what I earn. ........................... h. Banks are more likely to charge you high interest rates. i.I was lucky to come into some money from my aunt at a time when I was very hard up. ........................... j. Investments in stocks and shares can be risky if the market falls. ...........................