Вопрос по математике:

решите двойное неравенство 8<2x-12<24,в каких пределах находится x,напишите ответ в интервале xЭ

Вопрос по математике:

В треугольнике АВС известно, что BC = 13см, СN = 5 см, КN = 6 см, АК = 10 см, а∆ 𝐴𝐾𝐵 – равнобедренный: А) Докажите, что ∆ КNB – прямоугольный; Б) Найдите площадь ∆ АВС, если АВ = 16 см.

Вопрос по химии:

Подберите коэффициенты в химической реакции (в ответе напишите уравнение с коэффициентами)

Na3PO4 + CaCl2 =Ca3(PO4)2 + NaCl

Вопрос по английскому языку:

Помогите пожалуйста 8 класс. Grammar

Variant 2

Ex.1

Open the brackets using the correct form of Conditionals (0, 1, 2, 3).

1.    If we don’t stop deforestation, we ________ (lose) the rainforests.

2.    If you __________ (speak) louder, your classmates would understand you.

3.    If he _____________ (fail) the exams, his parents would have been very disappointed.

4.    If you were slimmer, you _________ (buy) this pair of jeans.

5.    The door will unlock if you ___________ (press) the green button.

6.    If you swim in this lake, you ________ (shiver) from cold.

7.    If the teacher had explained better, the children _______ (do) the task correctly.

8.    If the temperature is high, the ice _______ (melt).

9.    If Liza looked in the fridge, she _________ (find) the milk there.

10. The performance would have been better if the pianist ____________(practice) harder.

Ex. 2

Use the relative pronouns to complete the sentences: who, which, where, when, whose.

1.    Gordon, _____ is in our class, volunteers at the library after school.

2.    Alice doesn’t know _________ is my sister’s Birthday.

3.    I live in Canada, _______ is a very populated country.

4.    The people _______ house I am staying at are very kind to me.

5.    That's the drawer _______ I keep my jewellery.

6.    I need a coat _______ will keep me warm.

7.    The woman _______ husband is a football player always complains about his job.

Вопрос по английскому языку:

Переделайте прямую речь в косвенную.

Mark said: We never lock this door.

John said: I have seen this film.

Wendy told: “Put on your coat!”

помогите пожалуйста