Jeremiah conducts a survey and finds that as the first variable in his survey decreases, the second variable increase. what type of association is there between the two variables: pos association, neg association, no association or there is not enough information to tell ​

Donald has x twenty-dollar bills and 11 ten-dollar bill. how much money does donald have? write your answer as an expression.

Can someone show me step by step how to do this?

When a 757 passenger jet begins its descent to the ronald reagan national airport in washington, d.c., it is 3900 feet from the ground. its angle of descent is 6 degrees. how far must the plane fly to reach the run way? a. 37,106 ft b. 37,310.4 ft c. 23,456.6 ft d 2,492.7 ft