Find ∑(5 – 2k) when k goes from 2 to 7

Ineed solving this problem h/8=-25 solve for h idk how to this can someone show me and also give an answer you

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?

Adriveway is 40 yards long about how many meters long is it