Запишите следующее утверждение в виде неравенства: а) +5,7 является положительным числом; б) -12,48 является отрицательным числом

1. If you go to the party, i'm sure you.will have a good time.
2. I'll buy you a shirt if i have enough time.
3. If you don't study, you may fail the exam.
4. If we buy a car, we won't  have to travel by bus.
5. If you  don't sleep, you get tired.
6. Whenever it rains, i wear my boots.
7. If you cook dinner, i'll make the dessert.
8. If it's sunny, we 'll go to the zoo.
9. When you run fast, you get hot.
10. If i have a party, I.'ll invite all my friends.