Find the inverse of f(x) = 15,000 + 1.5x

The general form of the quetion of a circle is ax^2+by^2+cx+dy+e=0 where a=b=0 if the circle has a radius of three units and the center lies on the y axis which set of values of a, b, c, d, and e might correspond to the circle

Is triangle jkl congruent to triangle rst? if so, what is the scale factor?

Which radical expression is a rational number? a. √ 360 b. √ 644 c. √ 225 d. √ 122