Aprofessor must randomly select 4 students to participate in a mock debate. there are 15 students in his class. in how many different ways can these students be selected, if the order of selection does not matter? a. 445 b. 989 c. 32,760 d. 1,365

whats the question?

step-by-step explanation:

the solution is x=1

step-by-step explanation:

we are given our   equation as

let's assume

left side function is

right side function is

now, we can draw graph

and then we can get intersection point

the intersection point will be solution

so, the solution is

x=1