If he is 4 now is in 10 years he will be 14 and if you multiply that by 2 you get 28 which means in 10 years Marie will be 28 so that means if you take away 10 the answer should be 18 but that isn't there but that's how I would work it out.
Polar covalent molecules<span> exist whenever there is </span>an<span> asymmetry, or uneven distribution of electrons in a </span>molecule<span>. </span>One<span> or </span>more<span> of these asymmetric atoms pulls electrons </span>more<span> strongly </span>than<span> the </span>other<span>atoms. For example, the </span>polar<span> compound methyl alcohol has a </span>negative<span> pole made of carbon and hydrogen and a positive ...</span>
