16. A chocolate manufacturer uses an equilateral triangular prism package. If the vol-
ume of chocolate to be contained in the package
is 400 cm', what dimensions of the package will
use the minimum amount of materials?

Nine more than four times a number is the same as one less than twice the number. find the number?

What is the value of the discriminant of the quadratic equation -2x = -8x + 8 and what does its value mean about thenumber of real number solutions the equation has?

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample