Agroup of 15 people need to form a line. the line will consist of exactly 10 of
the people. person a and person b have to be either fifth or sixth in line. how
many different orders are possible?

a 103,783,680

b 5,448,643,200

c 259,459.200

d 1,287

what?

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value