What is 32×48 i seeing the stragie mutieplying and regrouping

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

James is playing his favorite game at the arcade. after playing the game 3 times, he has 8 tokens remaining. he initially had 20 tokens, and the game costs the same number of tokens each time. the number tt of tokens james has is a function of gg, the number of games he plays

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b