Aball is dropped from a height of 30 feet. the ball bounces. after each bounce, the maximum height of the ball is 80% of the previous height. write an nth term formula to model the situation and approximate the maximum height of the ball after 6 bounces.

15 point ! ~ see if you know the answer to both you!

The weight of full–grown tomatoes at a farm is modeled by a normal distribution with a standard deviation of 18.4 grams. the 95 percent confidence interval for the mean weight of the tomatoes is calculated using a sample of 100 tomatoes. what is the margin of error (half the width of the confidence interval)?

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?