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What type of molecules have polar bonds arranged asymmetrically? If 25 people are randomly selected, what is the probability that their mean IQ score is less than 103? Find the power deliver to the element at t=5 ,if voltage is v=(10+5∫idt)V,where i=5cos60πt, initial time=0 ms.? Calculate the stresses in the upper and lower horizontal parts through the hole at section B? What is the compound rate means. the formula for compound rate is x1+x2+x1*x2?