What is the total of cans collected

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

Leo is going to use a random number generator 4 0 0 400 times. each time he uses it, he will get a 1 , 2 , 3 , 4 , 1,2,3,4, or 5 5. what is the best prediction for the number of times that leo will get an odd number?

Why did the ice arena get so hot after the big game (this is math related google it to find the paper