PLLLEEEASE HELPPP KHAN IS SO HARD

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Which spreadsheet would be used to compute the first nine terms of the geometric sequence a^n=32•(1/2)n-1

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