John weighs 65 kilograms, Sam weighs 22x kilograms, and Mark weighs 13x kilograms. Write an expression in simplest form for their combined weight

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.

Look at this pattern ; 1,4,9, number 10000 belongs in this pattern . what’s the place of this number?

Apatient is to be given 35 milligrams of demerol every 4 hours. you have demerol 50 milligrams/milliliter in stock. how many milliliters should be given per dose?