Which is the orthocenter of a triangle with vertices (-2, 1), (3, 4), and (3,-4) ?

Kathy spent 5/8 of her money on books and another 1/6 of her money on stationeries.what fraction of kathy’s money was left?

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

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