What does 3/5 equal to as a decimal

If 5x - 2 = -12, then x = a) -50 b) -4.4 c) -2.8 d) -2

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.

Find the sale price to the nearest cent. $4.30 makeup; 40% discount; 6% tax