Can someone help me w this

Look at triangle wxy what is the length (in centimeters) of the side wy of the triangle?

Question 5 of 10 2 points if a population is a sample of the population could be a. registered voters; all citizens o o b. baptists; all religious people o c. people who purchased shoes; all customers o d. the entire school faculty; math teachers

Acircle has a radius of 12.6cm what is the exact length of an arc formed by a central angle measuring 120