Which products result in a sum or difference of cubes? Check all that apply.
a3 + b3
=q3 – 63
(x - 1)(x2 + 4x – 16)
(x - 1)(x2 - x + 1)
(x - 1)(x2 + x + 1).
(x + 1)(x2 + x - 1)
(x + 4)(x2 - 4x + 16)
(x + 4)(x2 + 4x + 16)

What is the distance between the points (2 -3) and (-6 4) on the coordinate plane

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.

Atravel agent is booking a trip to england, scotland, ireland, and france for a group of senior citizens. the agent sent surveys to the group, asking which countries they would like to visit, in order, and created the shown preference schedule (e = england, i = ireland, s = scotland, f = france). which country is the condorcet winner? number of votes 15 12 16 19 1st f e e i 2nd e s i s 3rd s i s e 4th i f f f 1. scotland 2. england 3. france 4.ireland