How many non-congruent triangles with only integer side lengths have a perimeter of 15 units?

How is the number of vertices for a prism related to the name of the prism

The random variable x represents the number of phone calls an author receives in a day, and it has a poisson distribution with a mean of 8.7 calls. what are the possible values of x

Factor the polynomial, if possible. if the polynomial cannot be factored, write prime. 9n^3 + 27n^2 – 25n – 75