What is the best estimate of the sum of the fractions?

31/4 + 17/3 + 8/18

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Complete each sentence with the correct form of the verb ser or estar to say where the following people are from or where they are right now claudia y maria en méxico

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?