What is the measure of Angle Y?

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

Identify the number as a rational or irrational. explain. 127

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%)