20 of the students questioned chose maths,
and half of the rest chose pe.
d) how many of the students did not choose
maths or pe?

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?

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Ineed here’s a picture of the question