For an office job, i need to pick three candidates out of a pool of 5. how many choices do i have

10

Step-by-step explanation:

1(#1, #2, #3)   2(#1, #2, #5)  3(#1, #3, #4)  4(#1, #4, #5)

5(#1, #2, #4)  6(#1, #3, #5)

7(#2, #3, #4)  8(#2, #3, #5)  9(#2, #4, #5)

10(#3, #4, #5)

4x and 6y

im not sure though

the answer is c: divide the arc's degree measure by 360°, then multiply by the circumference of the circle.