What is 20+30×0+1 can you give me a answer

21 because PEMDAS. 30 x 0 is 0 20 plus 1 is 21

20+30x0+1
    alway do times first always think order of operations 
  30x0=0
20+0+1
20+1=21

there your answer

Your answer would be ahere is how: perimeter is how long all the sides are. in a rectangle, there are two sets of parallel sides. so, to find this, we would to the following.(15x2)+(4x2)30+838if you have questions ask! and mark me brainliest! i really wanna level up : 3