The table lists recommended amounts of food to order for 25 party guests. Nathan is hosting a graduation party for 40 guests. There will also be guests stopping by for a short time. For ordering purposes, they will count each of the 45 "drop-in" guests as half a guest. How much of each food item should Nathen order? Table:
Fried Chicken = 24 pieces
Deli Meats= 3 3/4 pounds
Lasagna= 10 3/4 pounds

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.

The roots of the function f(x) = x2 – 2x – 3 are shown. what is the missing number?