Alexandra has a home-based business putting on children's parties. she charges $60 to design the party and then $4.00 per child. write a function rule that relates the total cost of the party to the number of children n. a. f(n)=4n-55 b. f(n)=4-55n c. f(n)=60 4n d. f(n)=4 60n

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)?

Which expression gives you the distance between the points (5,1)and(9,-6)

Which of the following is the result of expanding the series