Benny earns $12.00 per hour as a life guard. he earns a bonus of $75.00 for taking a training course. how many hours must benny work to earn at least $399.00?

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?

Collin did the work to see if 10 is a solution to the equation r/4=2.4

The equation of a parabola is given. y=18x2+4x+20 what are the coordinates of the focus of the parabola?