Answer:
3
+2xy+6xy+12x+4y
Step-by-step explanation:
(3x+y)(x2+2y+4=+2xy+6xy+12x+4y
Answer:150
Step-by-step explanation:
.05 liters is 500 milliliters
500-350=150
My suggestion is to look on google, there are plenty of answers and I think it will explain better than me.