David is building a play area for his kids. They are learning their shapes and he wants it to be an isosceles triangle with base b and height h. He is restricted to dimensions such that b + h = 25. What is the maximum area of the triangle?
A. A = 67.5

B. A = 86.125

C. A = 79.5

D. A = 78.125

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