Helen graphs f(x) = 4x + 2 and its inverse function on the same coordinate plane. She notices that the functions are symmetric about a line.

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

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?

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?