Two birds sit at the top of two different trees. the distance between the first bird and a bird watcher on the ground is 29.7 feet. the distance between the bird watcher and the second bird is 42.1 feet. what is the angle measure, or angle of depression, between this bird and the bird watcher?

45.1°
44.9°
54.8°
35.2°

Mrs. morton has a special reward system for her class. when all her students behave well, she rewards them by putting 3 marbles into a marble jar. when the jar has 100 or more marbles, the students have a party. right now, the the jar has 24 marbles. how could mrs. morton reward the class in order for the students to have a party?

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?

Rationalize the denominator- 12x/√x-10