Need really bad
which measure of center is the most appropriate for this data set? 20, 6, 42, 13, 15, 10, 9, 12, 12 a. mean b. median c. mode d. mean absolute median

Give the functions f(x) = |x + 2| - 3, what is the domain? a,b,c, or d all real numbers x > 2 x < -2 all real numbers and x cannot equal to 2

Jordan got 27 out of 90 correct on his test . what fraction of the marks did her get correct

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.