In the picture the points A, B and C are on circle O. If AOB=138, what would be the measure of ABC

Write an equation for the function that includes the points (1,4/5) and (2,2/3)

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%)

When a valve is open 281 gallons of water go through it in one hour the number of gallons that would go through in 94 hours is