Does anyone know how to do this? me

Ihonestly have no clue if it's each or none.

The area of the map is the product of the length and width. write and expression for the area as the product of the two binomials do not multiply

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%)