At phil's work there are 12 part time workers and 18 full time workers what is the ratio of part time workers to total workers

What is the slope of the line shown below?

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Suppose babies born after a gestation period of 32 to 35 weeks have a mean weight of 25002500 grams and a standard deviation of 800800 grams while babies born after a gestation period of 40 weeks have a mean weight of 27002700 grams and a standard deviation of 385385 grams. if a 3232-week gestation period baby weighs 21252125 grams and a 4040-week gestation period baby weighs 23252325 grams, find the corresponding z-scores. which baby weighs lessless relative to the gestation period?