Q1. Tawaab earns an annual salary of £28500. a) A promotion comes up at work and his pay will increase by 7%. What is the pay increase? b) David earns the same as Tawaab before he decides to work part-time and his salary reduces to £23,370. What is the percentage change in his salary?

Jane evaluates x^2-3x+5 for x=2 below. step 1: (-2)^2-()+5 step 2: =-4+6+5 step 3: =7 what, if any, was jane’s mistake? a)jane made no mistakes. b)jane incorrectly evaluated(-2)^2 in step 2. c)jane incorrectly added the terms in step 3. d)jane incorrectly substituted in x=-2in step 1.