PLZ ASAP Chloe has a small dog and a large dog. Each day, the small dog eats 3/4
cup of dog food, and the large dog eats 2 1/2 cups of dog food. In one
week, how much more dog food does the large dog eat than the small
dog? Justify.

point a is the center of the circle that passes through points e, f, and g and the center of the circle that passes through points x, y, and z.

your answer is -9

step-by-step explanation:

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."