9/12 = x/10 proportions

This race was first held in 1953 on august 16th. every decade the race finishes with a festival. how many years is this?

Which equation shows the quadratic formula used correctly to solve 5x2 + 3x -4 0 for x? cos -3+ v (3) 2-4() 2(5) 3+ |(3)² +4() 205) 3+ (3) 2-4() -3+ v (3)² +4()

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?