What is the least common multiple of 4and10

Which set of reflections would carry trapezoid abcd onto itself? a) x-axis, y=x, y-axis, x-axis b) x-axis, y-axis, x-axis c) y=x, x-axis, x-axis d) y-axis, x-axis, y-axis, x-axis

This graph shows which inequality? a ≤ –3 a > –3 a ≥ –3 a < –3

In the diagram, ab is tangent to c, ab = 4 inches, and ad = 2 inches. find the radius of the circle.