Step-by-step explanation:
28m+4n-12m+3
28m-12m+4n+3
16m+4n+3
120/4=30. Remember its widthxlength. if you forget ask your teacher or look online for more help. Good luck.
Answer:
Step-by-step explanation:iii
9 is your answer
because 10times35 is 350 -35 is 315
