In a survey 9 out of 15 students named math as there favorite class. express this rate as a decimal

Could somebody me with this radical simplification?

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

Polygon abcd is a rectangle what is the area