Use the following sets of leg lengths for the opener:
3", 5”,7"
3”,5", 4"
3”,8”, 4"
2", 3", 3"
1. for each set of leg lengths construct a triangle. if it is not possible to construct a
triangle, explain why not.

Determine the mean and variance of the random variable with the following probability mass function. f(x)=( 729divided by 91) (1 divided by 9) superscript x baseline comma x equals 1,2,3 round your answers to three decimal places (e. g. 98.765).

What is the solution of the systems of equations? y=2/3x+3 x=-2

60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?