What is the value of x if
4x - 9 = 11?
A. 1/2
B.2
C.5
D.20

What is the radius of the cone in the diagram? round your answer to the nearest whole number

What is the surface area of the sphere?

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample