Tom Sawyer is painting a fence white. Each fence post is 5 inches wide and there's 3 feet of fence between each post. If there are 4 posts and the fence starts and ends with a post, how long is the fence Tom's supposed to paint?

Mr. walker gave his class the function f(x) = (x + 3)(x + 5). four students made a claim about the function. each student’s claim is below. jeremiah: the y-intercept is at (15, 0). lindsay: the x-intercepts are at (–3, 0) and (5, 0). stephen: the vertex is at (–4, –1). alexis: the midpoint between the x-intercepts is at (4, 0). which student’s claim about the function is correct?

Find the slope of the line that contains the following points. r(-2, 4), s(6, -2)

3.4a=57.8 what is the the value of a