Emily went to the movie theater for her birthday. A mix of adults and children attended, making a total of 22 people. Each adult ticket was $9 and each child’s ticket was $5.50. If the total cost for the party was
$125.50, then how many adults and how many children attended?

Which word in the sentence below is an interrogative pronoun? who is picking us up from school? whousisfrom

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

The ideal weight of a nickel is 0.176 ounce. to check that there are 40 nickels in a roll, a bank weighs the roll and allows for an error of 0.015 ounce in total weight