The vertices of a triangle are A(2,5), B(1,2), and C(3,1). Find the coordinates of the image after a rotation 90° clockwise about the origin.

The depth of a lake at a certain point, wich is a function of the distance of that point from shore, is 30 feet.

Someone answer this check out the image!

Celeste wants to have her hair cut and permed and also go to lunch. she knows she will need $50. the perm cost twice as much as her haircut and she needs $5 for lunch. how much does the perm cost?