The mean of 12,26,18,8,14,56,16​

Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?

In the xy-plane, if the parabola with equation passes through the point (-1, -1), which of the following must be true?

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b