Answer:
it will 90° because it is making right angle at C
A security alarm requires a four-digit code. the
code can use the digits 0-9 and the digits
cannot be repeated. which expression can be
used to determine the probability of
Well remember this:
When the signs are the same it is positive
When the signs are different make it negative
When you are subtracting a negative and positive, it is going to be like adding
for example:
-9 - 5 = -14
You just add 9 and 5 to get 14, the signs are different so it is going to be negative. ONLY WHEN YOU ARE SUBTRACTING NEGATIVES
As given,
Number of sheets of paper put in the binder 8 days ago = 50 sheets
Current number of sheets left after 8 days = 2 sheets
So, number of sheets used in 8 days = 
sheets
As it is stated that the same number of sheets are used each day, so number of sheets used per day = 
sheets.
Hence, 6 sheets of paper were used each day.
The answer is 6 but it crossed on the X axis
