1.which expression has the same value as the one below? 8 + [4 + (–9)] a12 + (–9) b–12 + 9 c–4 + (–9) d4 + (–9) 2.what is the value of the expression? -16+12 a-28 b-4 c4 d28 3which expression has the same sum as the one below? –15 + 6 a15 + 6 b–6 + (–15) c15 + (–6) d6 + (–15)

Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon