How did the strategies of Malcolm X and Martin Luther King different when it came to dealing with racism?

Customers at an ice-cream shop took a survey .the results showed that 144 customers rated the shop as being "very satisfactory ."this number represented 45%of the total nunber of customers who took the survey

What is the distance between point a and b

Solve the following pair of equations for x and y: ax/b_ by /a= a +b; ax - by = 2ab