Express in the form 1:n

3:12

Started: jun 20 at 10: 35pm quiz instructions question 3 y 2x+4 graph the system of linear inequalities 1 by < 2x-2 ty

1. what is the measure of ∠abc? what is the measure of ∠abd?

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%)