The gonzales family drove 300 miles on the first day of their vacation and 250 on each day after that. if d represents the number of days they drove after the first day, which expression gives the total distance driven?

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

What is the interquartile range of this data set? 2, 5, 9, 11, 18, 30, 42, 48, 55, 73, 81

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