The circle below is centered at the point (2, -1) and has a radius of length 3. What is its equation?
O A. (x - 2)² + (w+ 1)2 = 3^2
OB. (x + 1)2+(-2)² = 9.
O c. (x-1)2 + (x + 2)² = 9
D. (x + 2) + -1/2 = 3^2

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Askateboard ramp is in the shape of a right triangle what is the height of the ramp

The areas of two similar triangles are 72dm2 and 50dm2. the sum of their perimeters is 226dm. what is the perimeter of each of these triangles?