Rotate (3,6) (3,4) (5,4) (5,6) 90 degrees counter clockwise

45% of the trees in a park are apple trees. there are 27 apple trees in the park. how many trees are in the park in all?

Find the coordinates of point x that lies along the directed line segment from y(-8, 8) to t(-15, -13) and partitions the segment in the ratio of 5: 2.

Which of the following vectors are orthogonal to (2,1)? check all that apply