Dennis and Mark are playing a game with a number cube with numbers one through six the numbers they have rolled On the number cube are shown in the table below

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Solve: 3x+y=6 4x-2y=18 show all work !

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?