Вычислите корень из 1504(я погуглила и не нашла,а мне нужно очень!)

длина прямоугольника 6 м, а ширина 68 м, найти периметр прямоугольника.

4. Fill in the missing words can, millions, o’clock, popular, ate, Victorian Sandwiches were great favorites in ……….England. It was a tradition to take an afternoon tea at about 5…….., and many rich families ……. sandwiches at that time. Cucumber sandwiches were very ………. At that time sandwiches were very small and delicate. They are less elegant now and often much bigger. The English eat ……..of sandwiches every day. They are a typical "snack”(перекус) meal because they are easy and quick to prepare. You……. buy sandwiches if you do not want to make them yourself.

Read and complete the sentences. Put the verbs in brackets into the correct tense form. 1. If you … (to buy) locally, you … (to reduce) the amount of energy re- quired to drive your products to your store. 2. You … (not / to use) plastic bags if you … (to bring) cloth bags to the markets. 3. If you … (to use) public transport instead of a car, you … (to reduce) air pollution. 4. If you … (to take) shorter showers, you … (to save) water. 5. You … (to save) energy if you … (to switch off) your computer when not in use. 6. You … (to save) a lot of trees if you … (to use) recycled paper

Сочини загадку.В которой были бы глаголы с не.!!