Aparcel delivery service will deliver a package only if the length plus girth (distance around) does not exceed 72 inches.
(a) find the dimensions of a rectangular box with square ends that satisfies the delivery services restriction and has maximum volume. what is the maximum volume?

He weights of 2-pound bags of best dog food are approximately normally distributed with a given mean  and standard deviation  according to the empirical rule, what percentage of the bags will have weights within 3 standard deviations of the mean? 47.5%68%95%99.7%

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

Atype of plant is introduced into an ecosystem and quickly begins to take over. a scientist counts the number of plants after mmonths and develops the equation p(m)= 19.3(1.089)^m to model the situation. most recently, the scientist counted 138 plants. assuming there are no limiting factors to the growth of the plants, about how many months have passed since the plants werefirst introduced? a)o 6.1b)0.6.6c)10 72d)o 23.1