Tickets to the fair cost $8 for children and $12 for adults. on sunday, 198 people enter the fair gates, and they collected $1,976. what number of children attended the fair on sunday?

Horace's speedometer reads 60 miles per hour, but during a road test he finds that he was actually driving 58 mph. what is the percent error in horaces speedometer?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Find the area of the regular hexagon if a side is 20 cm.