Agroup of friends are going to see a movie. the admission cost is $8 per person. the table below represents the number of friends and the total cost. movie costs number of friends, (x) 2 3 4 5 total cost in dollars, (y) which set of ordered pairs can be written from the table?

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%)