Answer:
0.2109 or 21.09%
Step-by-step explanation:
In order to maintain the same price after two days, the stock must go up (U) on two days and go down (D) on two days, the sample space for this event is:
S={UUDD, UDUD, UDDU, DDUU, DUDU, DUUD}
There are 6 equally likely possible outcomes. The probability that the price of the stock will be the same as it is today is:

The probability is 0.2109 or 21.09%.
Answer:
I am pretty sure its y={5}/{4}x-5
Step-by-step explanation:
I can't show the work, but if the problem is printed or on the computer, I recommend using Photomath in the AppStore :)
Quotient is another name for the answer to a division problem
the hundreds place is the 3rd number before the decimal, 9999999.0 ^this one
so you need to find a division problem that equals something between 100 and 999
1000 divided by 10 is a good one, the answer to that problem is 100, and 100 has its first digit in the hundreds place.