Argyle can read 7 pages of his book in 5 minutes. at that rate, how many pages can he read in two hours?

Negative 5 1/12 + negative 4 1/4 + 6 3/4

Prove sin2a + cos2a - 1 / sin2a + cos2a + 1 = 1 - tana / 1 + cota

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?