That is permuations
that would be 10! or 10*9*8*7*6*5*4*3*2*1=3628800 ways
Answer:
27,9
Step-by-step explanation:
x + y =36
x - y = 16
27 + 9 = 36
27 - 9 = 16
.................................
Let us draw a triangle ABC with A=15° ,B=113° and b=7.
Please see the attached image.
We know that the sum of interior angles of a triangle is 180 degrees. Thus, we have

Apply Sine rule in the triangle ABC, we get

Therefore, we have
