Answer:
Here is the ans ...hope it helps:)
Answer:
10
Step-by-step explanation:
n is the number of selections and k the number selected, that is
n = 5 and k = 2
note that n! = n(n - 1)(n - 2) ..... × 3 × 2 × 1, thus

= 
= 
= 
= 10
Answer:
Area = 1/2ab sinc
Step-by-step explanation:
the area is given by two sides subtending an angle directly opposite a third side
Answer:
155.384615385
Step-by-step explanation:
Answer:plot at 50 degres
Step-by-step explanation: