What is the approximate volume of a cylinder with a diameter of 12 meters and a height of 7 meters? use 3.14 for pi.
a.
131.9 m3
b.
263.8 m3
c.
791.3 m3
d.
3165.12 m3

Which of these choices show a pair of equivalent expressions?

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?

Ijust need these 2 questions answered (the second pic is just confirmation i'm not confident in that answer)