If 9^(1 - x) =27^Y and x-y equals to -11 / 2 find the value of x + y

1/3(x-10)=-4 solve for x with steps

What describes horizontal cross section of the right rectangle 6m 8m 5m

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?