B) Se 840 participantes eram crianças e adolescentes até 18 anos, quantos pantes desse passeio tinham mais de 18 anos?​

What are the solution(s) to the quadratic equation x2 – 25 = 0? o x = 5 and x = -5ox=25 and x = -25o x = 125 and x = -125o no real solution

The weight v of an object on venus varies directly with its weight e on earth. a person weighing 120 lb on earth would weigh 106 lb on venus. how much would a person weighing 150 lb on earth weigh on venus?

Evaluate each expression. determine if the final simplified form of the expression is positive or negative -42 (-4)2 42