A motorboat can maintain a constant speed of 10 miles per hour relative to the water. The boat makes a trip upstream to a certain point in 33 ​minutes; the return trip takes 27 minutes. What is the speed of the​ current?

Which equations represents circles that have a diameter of 12 units and a center that lies on the y-axis? check all that apply

Mario has $14.35 left in his wallet. he spent $148.43 for tablecloths. then, he spent $92.05 for napkins. how much money did mario have in his wallet to start with?

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%)