Afarmer needs to fence a rectangular piece of land. she wants the length of the field to be 80 feet longer than the width. if she has 1080 feet of fencing, what should the dimensions of the field be?

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%)