In the picture triangle abc is an image of triangle abc after a rotation the center of rotation is d what is the measure of angle b

What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

What is the image of c for a 90° counterclockwise rotation about a? (3, 7) (-1, 3) (7, 3)