Let U = {q, r, s, t, u, v, w, x, y, z} A = {q, s, u, w, y}
B = {q, s, y, z}
C = {v, w, x, y, z}.
List the elements in the set.
a)B ∪C
b)A' ∪B
c)A ∩ B

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?

If 20% of a number is 35, what is 50% of that number?

Asphere has a diameter of 10 in. what is the volume of the sphere?