Find the midpoint of A and B where A has coordinates (-7, 1) and B has coordinates (3,-5).

What expression is equivalent to log3(x+4)

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?

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?