the number of side of two regular polygon are in the ratio of 5:4 . if the difference of their interior angle is 9°,find the number of sides of each polygons

In the triangles, bc =de and ac fe.if the mzc is greater than the mze, then ab isdfelth

If f(x) = -5x + 1 and g(x) = x3, what is (gºf)(0)? enter the correct answer

Adolphin is swimming with her friend. the dolphin jumps to a height of 4.54.54, point, 5 meters above the surface of the water as her friend swims 9.89.89, point, 8 meters directly below her. what is the position of the dolphin's friend relative to the surface of the water? meters