What is the order of these numbers in least to greatest
4 x 10^-7
7 x 10^-9
1 x 10^4
2 x 10^4

Hurry and answer this! circle x with a radius of 6 units and circle y with a radius of 2 units are shown which steps would prove the circles similar? translate the circles so they share a common center point, and dilate circle y by a scale factor of 4. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 4. translate the circles so they share a common center point, and dilate circle y by a scale factor of 3. translate the circles so the center of one circle rests on the edge of the other circle, and dilate circle y by a scale factor of 3

Which expression is equivalent to 8(k + m) − 15(2k + 5m)?

The table represents a function f(x). what is f(3)? a.-9 b.-1 c.1 d.9