An organization has 50 people, and 4 of the people are running for president. Each of the 50 people votes for one of the 4 candidates. How many different vote totals are possible?

Tree diagram to find the prime factors of 18

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

Triangle xyz has vertices x(1,3), y(0,0)