What is the intersection of a and b if A = {1, 2, 3, 4, 5} and B = {3, 4, 5}?

How do you answer this question? (step by step)

Joanie wrote a letter that was 1 1/4 pages long. katie wrote a letter that was 3/4 page shorter then joagies letter. how long was katies letter

The graph is supposed to show f(x) = 3 sin (x/4+1) - 1/2. which of the following are correctly represented in the graph? select two of the following that apply.