According to the American Freshman, the number of hours that college freshman spend studying each week is normally distributed with a mean of 7 hours and a standard deviation of 5.3 hours. Use the 68-95-99.7% Rule to find the percentage of college freshman who study between 7 and 17.6 hours each week

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )

Which polygon is she in the process of constructing ?

The dance committee of pine bluff middle school earns $72 from a bake sale and will earn $4 for each ticket they sell to the spring fling dance. the dance will cost $400 write an inequality to determine the number, t of tickets the committee could sell to have money left over after they pay for this year's dance. what is the solution set of the inequality?