First Multiply 7x2 witch is 14 then divide -90 by 3 witch is -30 so now make your new equation 5+14-30+8-1 witch the answer is -4
Answer:
you know you really need to watch what you say that comes out of your mouth
Formula for perimeter a+b+a+b
12+5+12+5= 17+17= 34 .34=P
