Hello can you answer asap and I will rate a thumbs up?

1) The time required to complete a group of jobs is referred to as

Select one:

a. completion time

b. makespan

c. flow time

d. None of these answer choices is correct

2)

The process of prioritizing jobs that have been assigned to a resource is called

Select one:

a. loading

b. monitoring

c. sequencing

d. input/output analysis

3)

If a job is ahead of schedule, then its critical ratio (CR) will be

Select one:

a. less than one

b. None of these answer choices is correct

c. equal to one

d. greater than one