Answer:
720
Step-by-step explanation:
I got it from Quora
We can use 6 people without repetition, which means we simply have to use counting principle 1.
A number of n objects can be arranged in n! ways.
Total number of combinations possibles = 6! =720
the missing angle=85
x=95
180-95=85
Answer: the one for 3b (8) + (-2)(7c) ; for b= 2, c= 3 is
6
3b(8)+(-2)(7c)
3(2)(8)+(-2)(7)(3)
(6)(8)+(-14)(3)
48-42