One cell phone company offers 500 minutes of talk time for $49.99.another company offers 480 minutes for $44.99. which company offers the better deal

How many real-number solutions does the equation have? -4x^2 + 10x + 6 = 0 a. no solutions b. two solutions c. infinitely many solutions d. one solution

What are the solutions of the equation? z^2 + 11z + 24 = 0 a. 8, -3 b. 8, 3 c. -8, -3 d. -8, 3

Rewrite so the subject can be y in the formula d=m-y/y+n