Answer:
13
Step-by-step explanation:
15 - 4 + 7 - 5 = 13
Simply expand the brackets and subtract and add accordingly.
135 mg*1g/1000mg*10dg/1g=1.35 dg
Answer:
12x - 60
Step-by-step explanation:

Answer:
11 in
Step-by-step explanation:
Standard paper is 11 x 8 inches