The table displays the frequency of scores on a twenty-point quiz. The mean of the quiz scores is 18. Find the value of k. Score: 15, 16, 17, 18, 19, 20
Frequency: 2, 4, 7, 13, k, 5
A. 9
B. 11
C. 13
D. 18

Zoey made 5 1/2 cups of trail mix for a camping trip. she wants to divide the trail mix into 3/4 cup servings. a. ten people are going on the trip. can zoey make enough 3/4 cup servings so that each person gets one serving? b. what size would the servings need to be for everyone to have a serving?

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Sasha delivers newspapers to subscribers that live within a 4 block radius of her house. sasha's house is located at point (0, -1). points a, b, c, d, and e represent the houses of some of the subscribers to the newspaper. to which houses does sasha deliver newspapers?