the phoenix store sells two diferent packages of colored pencils. Package a contains 6 pencils and cost $3.48. brand b contains 11 pencils, and cost $6.49. what is the difference in cost, in dollars, per pencil between the two brands which is the better buy

Which graph of a hyperbola represents the equation 16x^2-y^2=16

Identify the statement below as either descriptive or inferential statistics. upper a certain website sold an average of 117 books per day last week. is the statement an example of descriptive or inferential statistics? a. it is an example of descriptive statistics because it uses a sample to make a claim about a population. b. it is an example of inferential statistics because it uses a sample to make a claim about a population. c. it is an example of inferential statistics because it summarizes the information in a sample. d. it is an example of descriptive statistics because it summarizes the information in a sample.

Margie is practicing for an upcoming tennis tournament. her first serve is good 20 out of 30 times on average. margie wants to know the estimated probability that her first serve will be good at least four of the next six times she serves. how could she design a simulation for this scenario?