Convert the following polar-form vectors of the form ⟨r,θ⟩ into component-form vectors of the form ⟨x, y⟩. Your answers should be in the form "< #, # >". ⟨13,50∘⟩=   ⟨1.77,250∘⟩=    ⟨5.8,150∘⟩= ​

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%