2multiplied by what to the power of .5 will result in 3

Which equation represents a line that is parallel to the line whose equation is 3x-2y=7( 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?

Which property was used to simplify the expression? 3c+9 +4c=3c+4c+9