Seven times the difference of twice a number and nine ...

Alana has 12.5 cups of flour with which she is baking four loaves of raisin bread and one large pretzel. the pretzel requires 2.5 cups of flour to make. how much flour is in each loaf of raisin bread? explain the steps to follow to get the answer.

Find the center of the circle that can be circumscribed about efg with e(4,4) f(4,2) g(8,2)

If the average of x,y and z is 15 what is their sum