When x varies directly as 2y and x=6 when y=20 find y when x=9

Plzzz i beg u so much asaaaap ! what is the slope of this line? enter your answer in the box.

Aclass consists of 55% boys and 45% girls. it is observed that 25% of the class are boys and scored an a on the test, and 35% of the class are girls and scored an a on the test. if a student is chosen at random and is found to be a girl, the probability that the student scored an ais

One positive number is 9 more than twice another. if their product is 95, find the numbers