The mccalls insured their house for 90% of its value. if the house is valued at $84,000, how much is it insured for?

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?

Solve for x, y, and z. show all steps.

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?