Determine whether the two expressions are equivalent. if so, tell what property is applied. if not, explain why. 0+32 and 0

What is the volume of the sphere shown below with a radius of 3?

What are the relative frequencies to the nearest hundredth of the columns of the two-way table?

What is the range of the function? f(x)=-2|x+1|? a. all real numbers. b. all real numbers less than or equal to 0. c. all real numbers less than or equal to 1. d. all real numbers greater than or equal to 1