Directions: Find each probability using combinations. 7. A committee of three people is to be chosen 18.
from a group of 14 people. If Evie is in the
group, what is the probability that she will be
chosen for the committee?

Given that de, df, and ef are midsegments of △abc, and de=3.2 feet, ef=4 feet, and df=2.4 feet, the perimeter of △abc is .

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?

Twenty points. suppose that one doll house uses the 1 inch scale, meaning that 1 inch on the doll house corresponds to 1/2 foot for life-sized objects. if the doll house is 108 inches wide, what is the width of the full-sized house that it's modeled after? in inches and feet