Calculus! i need ?
water is poured into a bucket according to the rate f(t)=(t+7)/(2+t), and at the same time empties out through a hole in the bottom at the rate e(t)=(ln(t+4))/(t+2), with both f(t) and e(t) measured in pints per minute. how much water, to the nearest pint is in the bucket at time t=5 minutes.

Which of the following tables represents exponential functions?

The standard deviation for a set of data is 5.5. the mean is 265. what is the margin of error?

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?