Катет прямоугольника  равен 27 и корень 295.Найдите гипотенузу.

Помогите уравнять: Na2CO3+HCl------->NaCl+CO2+H2O

Are you (1)…. of travelling? At first sight, having a job which (2) …..going on long business (3) …..looks glamorous. The reality, however, often (4) …..from the image. Many business travellers soon (5) ….off living out of a suitcase. As a business traveller, you often (6) ….at a place, (7) ….into the hotel, have your meetings and then (8) ….immediately back to the airport. Many business travellers rarely (9) ….time to see the (10) ….or experience the local culture.

1 A keen B interested C fond D enthusiastic

2 A contains B involves C occupies D needs

3 A trips B journeys C travels D voyages

4 A breaks B alters C changes D differs

5 A come B go C are D take

6 A arrive B reach C get D make

7 A check B examine C look D inspect

8 A run over B pull out C set off D join in

9 A discover B find C locate D place

10 A sights B pictures C displays D scenes

напиши цепочку слов из 10 слов- заяц-цапля-... . опредили роди число имён существительных. помогите пож

14-15х=2х+15-12х-8-5х имеет ли корни и сколько?