Answer:
B. 
Step-by-step explanation:
The polynomial is 
To write in Standard form, the greatest exponent goes first, down to the least.
The greatest exponent is 3, so
goes first.
is what you end up with
Answer:
1
Step-by-step explanation:
everything rise 0 power is 1.
Answer:
12:21
Step-by-step explanation:
4 + 7 = 11
33/11 = 3
3x4=12 & 3x7=21
Therefore, ratio is, 12:21
3 necklaces were sold and they have got 45 revenue