The line segment with endpoints (−20, 21) and (0, 0) is graphed on the standard coordinate plane and makes an angle, θ, with respect to the x axis. what is cos θ?

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?

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

Pat listed all the numbers that have 15 as a multiple write the numbers in pats list