Complete the sentences. Underline the right variant Example: It was rainy yesterday. I (have to/had to) put my raincoat on.

1. He has a sore throat, so he (had to/will have to) go to the doctor tomorrow.

2. The children (don't have to/didn't have to)get up early now. It's summer.

3. I have already watered the plants, you (don't have to/won't have to) water them in the evening.

4. The students (have to/had to) do a lot of homework every day. There are going to have a test in a week.

5. My grandma (have to/has to) wear glasses. She can't see well.

6. "Let's plant the flowers now, so we (don't have to/won't have to/won't have to) do it tomorrow."

ответ:

а) x - 4907 = 1425

х=4907+1425

х=6332

б) х - 1562 = 827

х=1562+827

х=2389

пошаговое объяснение:

квадрат гипотенузы равен сумме квадратов катетов

обозначим гипотенузу за сторону a

a² = 8² + 14²

a² = 64 + 196 = 260

[tex]\displaystyle\tt a=\sqrt{260} =\sqrt{4\cdot 65} =2\sqrt{65}~cm[/tex]

ответ: a = 2√65