Who knows this math problem

Find the zeros of the function. write the smaller solution first, and the larger solution second f(x)= (x+6)^2-49

Orly uses 2 cups of raisins for every 12 cups of trail mix she makes. how many cups of trail mix will she make if she uses 8 cups of raisins?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500