If g(x) = 2x2 + bx + 5 and g(1) = 4, what is the value of g(-1)?

What is the absolute value of the complex number -4-sqrt2i

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?

Suppose that 15 inches of wire cost 60 cents. at the same rate, how much (in cents) will 12 inches of wire cost