You're given a set of numbers:
{-5, -10, 4, 8, 5, 7, -1, 10, 1, 6}
What is the ratio of positive
numbers to negative numbers?
ationships

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%)