Abc is an equilateral triangle with sides equal to 2 cm. bc is extended its own length to d, and e is the midpoint of ab. ed meets ac at f. find the area of the quadrilateral befc in square centimeters in simplest radical form.

Mexico city, mexico, is the world's second largest metropolis and is also one of its fastest-growing cities with a projected growth rate of 3.2% per year. its population in 1991 was 20,899,000 people. use the formula p = 20.899e0.032t to predict its population p in millions with t equal to the number of years after 1991. what is the predicted population to the nearest thousand of mexico city for the year 2010?

How do you find the area of a triangle

Afamily has five members. a mom, a dad, two sisters, & a brother. the family lines up single file. what is the probabillity that the mom is at the front of the line