What is the equation of a circle given the center (-17,-11) and point on the circle (-18,-11)

Ared balloon starts at 7.3 meters off the ground and rises at 2.6 meters per second. a blue balloon starts at 12.4 meters off the ground and rises at 1.5 meters per second. when will the balloons be at the same height?

Abcd ≅ klmn ≅ pqrs ≅ wxyz given that information, which figures are reflections of abcd?

Solve the system of equations y= 3/2 - 1, -x+ y =-3