C.) is the best answer others are less then 50%.
C.) $35 is $15 more then 20 this is over 50%
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93 in base 10 converted into base 4 would 1131
The angle is 90 degree...
Answer:
.
Step-by-step explanation:
The given point is
We need to find the rectangular coordinates of the given point.
If a polar coordinate is 
, then
In the given point ,
Now,
and,
Therefore, the required point is .
<span>PAPER MONEY.
As wealth increases, owning a large number of gold and silver coins becomes a security problem. As coins are portable, they are also easy to steal. The next step in the development of money was for people to leave their surplus gold and silver coins with a goldsmith who had a reputation for honesty and who operated premises which were secure. The goldsmith would give a receipt, which would entitle the owner to withdraw their coins when they needed them. This was the beginning of paper money.</span>
