Question

13a Read and find the words and expressions in the Wordlist and write the translation. cash a postal order weigh/weight sign/signature by air mail an express telegram a registered letter per kilo​

Answer 1

Cash - наличные,
a postal order - почтовый перевод,
weigh/weight - вес,
sign/signature- подпись,
by air mail - воздушной почтой,
an express telegram- экспресс-телеграмма, a registered letter - заказное письмо,
per kilo - за кило

Answer 2

Sure, here are the translations for the words and expressions you provided:

1. cash - efectivo (or dinero en efectivo)
2. a postal order - una orden postal
3. weigh/weight - pesar/peso
4. sign/signature - firmar/firma
5. by air mail - por correo aéreo
6. an express telegram - un telegrama urgente (or telegrama express)
7. a registered letter - una carta certificada
8. per kilo - por kilogramo (or por kilo)

I hope this helps! If you have any more questions or need further assistance, feel free to ask.