Factorise 12a²b² + 11ab - 5​

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

:24% of students in a class are girls. if there are less than 30 students in this class, how many students are there? how many girls are there?

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