Find the area of the circle. Round your answer the nearest whole number, if necessary. area: about
in.2

I’m stuck on this equation, anyone got the answer?

If cos(2x) = tan^2(y), show that cos(2y) = tan^2(x).

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?