Process to convert 4.225 to radians process to convert 12,4628º to radians

Describe the relationship between the angles of similar triangles and the sides of similar triangles

Interpret the following expression (5y^2-7)^3/(2y)^2

Hurry im being timed the graph of f(x)=x^3-3x^2+4 is shown based on the graph how many distinct real numbers solutions does the equation x^3-3x^2+4=0 have