Could someone please help me solve these 3 questions.. 20 points and brainest if you answer all 3

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

Select all of the quadrants that the parabola whose equation is y=√x-4 (principal square root) occupies. i ii iii iv

Gabriel determined that his total cost would be represented by 2.5x + 2y – 2. his sister states that the expression should be x + x + 0.5x + y + y – 2. who is correct? explain.