In a race, there are 9 runners. trophies for the race are awarded to the runners finishing in first
through third place.
in how many ways can first through third place be determined?
o 27
o 84
o 60,480
o 504

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)