Imogen bought i number of invitations to send out for her party. after she sent out 19, she was left with 11. what is the value of i?

What expression is equivalent to log3(x+4)

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

The circle below is centered at the point (3, 1) and has a radius of length 2. what is the equation?