Manoel de Nóbrega e José de Anchieta estudaram colégio de São Paulo em 1554 que veio da origem a cidade de São Paulo em que ano o colégio fez 53 anos

Solve for x and y: 217x + 131y = 913; 131x + 217y = 827

Abag contains 10 white golf balls and 6 striped golf balls. a golfer wants to add 112 golf balls to the bag. he wants the ratio of white to striped gold balls to remain the same. how many of each should he add?

Rounded to the nearest tenth, what is the value of x