The radius of a circle is 4 centimeters. what is the length of a 45° arc?

What are “like terms”? why can we only add like terms?

Asap i need it now choose all the answers that apply. sex-linked disorders affect males more than females affect females more than males can be carried by females, without being expressed are always expressed in males are caused by genes carried on the x and y chromosomes

What is the measure of the smallest angle in the diagram? 15 29 32 45