QueStion 4 of 15 Select the four elements that make up 96\% of the body weight of most organisms and are essential to all life. INsTRUcTOR.QUESTION_CHOICE_subHEADING_FOR_CAT Hydrogen Oxygen Nitrogen \( \square \)

Evaluate the expression when \( x=8 \) and \( y=-2 \). \( \frac{4+2|x-y|}{x+2 y} \)

Сакие положения характеризуют абсолвтную монархию? Зап пите в таблицу цифры, под которыми они указаны. образование государственной церкви огромное значение органов сословного представительства новниковов государственная налоговая система

24) The fulcrum of a uniform 20 kg seesaw that is 4.0 m long as located 2.5 m from ane end. A 30 Kg child sits on the long end. The wight of a person sitting at the other end in order to balance is

Question \( \{10\} \) 10 The human body has defence mechanisms which prevent infection by ts Write down two of these defence mechanisms.

Simplify the expression. \[ 5 n+3(2 n-7)-2 \]