Factor the expression. 40z – 20 a) 2z - 1 b) 2(20z-10) c) 20(2z-1) d) 20(2z-20)

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Which rational number could be graphed between -4 and -5

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