Given m (3,5) and n (11,-1). find mn

Solve each quadratic equation by factoring and using the zero product property. [tex]x^2+6x+8=0[/tex]

Is experimental probibilty the same as the observed frequency in math? i need the answer asap!

Ken earned $128 from his part-time job this summer. he spent 25% of his money on games. he is going to donate 1/6 of the remaining money to charity. how much money will the charity receive?