Aplumber has a set fee for a house call and charges by the hour
for repairs. the total cost of her services can be modeled by
c(t) = 125t + 95.
which statements about this function are true?
i. a house call fee costs $95.
ii. the plumber charges $125 per hour.
iii. the number of hours the job takes is represented by t.
(1) i and ii, only
(2) i and iii, only
(3) ti and iii, only
(4) i, ii, and iii

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?