Acircle has its center at (0,0) and passes through the point (0,9). what is the standard equation of the circle?

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

How to choose the sign of the radical in the denominator of the formula for the distance from a point to a line.

It takes an ant farm 3 days to consume 1/2 of an apple. at that rate, in how many days will the ant farm consume 3 apples