Only 2 question i beg me : 9

a triangle has coordinates a (1, 5), b (-2, 1) and c (0, -4). what are the new coordinates if the triangle is dilated with a scale factor of 1/5 ?

a triangle has coordinates a (1, 5), b (-2, 1) and c (0, -4). what are the new coordinates if the triangle is rotated 90° clockwise around the origin?

How do you answer this question? (step by step)

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

If you could answer these your a life saver