Take your answer of apple and banana problem and convert the system to echelon form.

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?

Complete the equation of the live through (-1,6) (7,-2)

Isaac wants the equation below to have no solution when the missing number is placed in the box. which number should he place in the box?