Timmy can usually make six paper airplanes in an hour. However, if he gets interrupted by his parents, he can only make four per hour.

His friend John can make seven paper airplanes per hour.

One day, Timmy and John decide to have a three-hour long

contest to see who can make the most paper airplanes. During the

contest, Timmy is interrupted once every hour. John also had to

take a break and do chores for an hour. How many more paper

airplanes does the winner make?

If i purchase a product for $79.99 and two accessories for 9.99 and 7.00 how much will i owe after taxes applies 8.75%

Which equation represents a line that passes through the point (9, -4) and has a slope of 3/5?

(co 3) the soup produced by a company has a salt level that is normally distributed with a mean of 5.4 grams and a standard deviation of 0.3 grams. the company takes readings of every 10th bar off the production line. the reading points are 5.8, 5.9, 4.9, 6.5, 5.0, 4.9, 6.2, 5.1, 5.7, 6.1. is the process in control or out of control and why? it is out of control as two of these data points are more than 2 standard deviations from the mean it is in control as the data points more than 2 standard deviations from the mean are far apart it is out of control as one of these data points is more than 3 standard deviations from the mean it is in control as the values jump above and below the mean