Which of the following sets of numbers could be the side lengths of a triangle?

4, 7, and 13
9, 13, and 23
2, 3, and 4
10, 10, and 30

Successful implementation of a new system is based on three independent modules. module 1 works properly with probability 0.96. for modules 2 and 3, these probabilities equal 0.95 and 0.90. compute the probability that at least one of these three modules fails to work properly.

If t8 = 4 and t12 = −2, find the first three terms of the arithmetic sequence.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?