9x4-10x2+1=0 памагите плзз

1.                  Резисторы с сопротивлениями 2кОм и 8кОм соединены последовательно. На каком из них большее напряжение? Во сколько раз?

Спасибо огромное за помощь!:) 

Express the same in one sentence. Use Complex Object

1. My friend is coming to see me after dinner. I expect him. 2. She played the piano at the party. I heard it. 3. I would like you to do something for me. Read this story aloud. 4. Peter wants to make the birthday cake himself. Let it be so. 5. Our footballers won that important match. We watched them when it happened. 6. Will Uncle Jim take Alex out for dinner? Alex wants it so much. 7. The thief entered the house very quietly. Nobody noticed him. 8. They are planning to spend the weekend at home. I wouldn't like it very much. 9. The train arrived five minutes early. No one expected it. 10. Liza didn't want to recite her poem. We made her.

отмершие части растений под действием микроорганизмов прекращаются в .............

Выразите в дециметрах: 5дм 6см ;3 дм 1см ;9см.в центнерах: 24ц 6кг;72кг;30ц 65кг; в килограммах: 6 кг 339г;5кг 58г;6т 14кг 8г; в тоннах и килограммах: 1,785 т; 24,300т; 4,076 т; 5, 050 т; в метрах и сантиметрах: 3,78 м; 2,09 м ;в квадратных метрах и квадратых дециметрах 3.15 метрах квадратных: 4.08 метрах квадратных ЗАПИШИТЕ в виде десятичных дробей частные: 182:10;5405:100 ;631:10000; 74:1000; 849:1000