Marco is saving money for summer camp. He saves the same amount of money each week. .After 4 weeks, he has saved a total of 60 dollars. After 5 weeks he had saved a total of 75 dollars. Create an equation that represents the only total money. y that Marco had had saved after x weeks.

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