Answer:
25 necklaces
Step-by-step explanation:
each necklace brings $16 profit (20-4=16)
400÷ 16= 25
so, at 25 necklaces, there will be enough profit to break even after paying for the advertising.
There are only 1*26 and 2*13 so there is no answer unless you allow decimals.
Answer:
You find the area of all the faces of the square pyramid, then add them together to get the surface area.
Answer:
There are two real roots because b²>4ac
in the equation, b²= 9² = 81.
4ac = 4×-4×-12= 72
Answer:
C
Step-by-step explanation:
calculate like terms, then it is pretty simple from there.
