график уровнения 5х-у=2 проходит через точку А(4;b). Чему равно b?

помогите пожалуйста вставить модальные глаголы на месте пропусков 

We ... get up early, but we can if we want. 12. You wear your best clothes. You'll get them dirty. 13. Have you done this puzzle? - Yes, and I've got the same answer as you. It... be correct. 14. I'm going to do a parachute jump next week. - But you're seventy-three years old! You ...be mad/15. The fence fell down in the storm. Luckily I... repair it myself. 16. ... you mind passing the sandwiches along, please? Thanks. 17. If you take your camera with you, you ... take some photos. 18. ... we have our room key, please? -Certainly, sir. 19. We ... invite Majorie. She's a wonderful company. 20. We... invite the Bells. They invited us last time. 21. The hot weather doesn't seem to bother you! - When I had my farm, I... work in the hot fields for hours. 22.1 need some help with this table. ... you lift the other end, please? 23. Why are you so late? -1... take my aunt to the airport. The traffic was terrible! 24.1 hear a dog barking. It ... be Rover, my neighbour's dog. 25. Do you hear that squeak? What is it? -1 don't know. It... be a mouse. Isn't that what a mouse sounds like? 26. She often travels toSpain. Luckily, she speaks Spanish, so she ... rely on an interpreter when she's there. 27. You ... give your tropical fish too much food or they'll die. 28. ... you mind taking me down town on your way to work this morning? 29. If you want to make some new friends you ... join some clubs so you can meet people who have similar interests. 30. You ... finish your work on this project before you go on vacation. You'll probably lose your job if you don't. 31. My car is in a terrible condition. I ... get a new one before the police stop me. 32. He ... be at his cottage in the country, because I remember him asking me if I wanted to go with him. 33. You ... go into details unless people ask questions. But remember you ••• give anyone the idea that their job is at risk. 34. People • • • treat animals in a better way but they don't always do so.

Социальный работник спросил у женщины
возраст ее дочерей. Женщина сказала: «Если
перемножите их года, то получится 72, а если
сложите, то номер вон того дома». Социальный
работник сказал, что этой информации
недостаточно для определения их возраста, тогда
женщина добавила: «Старшая дочь рыжая».
После этого ему стало ясно, сколько лет ее
дочерям. Так сколько им лет?

на стороне BC  прямоугольника ABCD взята точка M так что AM=13cm,AB=12cm,BD=20cm.Найдите MC  и площадь четырехугольника AMCD.

Помогите решить уравнение разложение многочленов на множители:     -¾x² +½(2-x³)=1