Give the kind of angle represented by each of the following figure letter H

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

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?