The composition of two reflections about intersecting lines that form an angle of 45 is a rotation of magnitude

The multiplication property of zero states that the product of any number and 0 is 0. what must be true about either a or b to make ab=0

Abcd is a square. what is the measure of angle bac

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?