A grocery store offers a cheese sampler that includes a pepper cheddar cheese that cost $13 per kilogram in Pennsylvania jack that cost $10 per kilogram how many kilograms of each were used to make a 6 kg make sure that cost $11.25 per kilogram

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).