A laundromat owner bought eleven new washing machines and eight new dryers. He paid the same amount for a dryer as for a washer. His final cost was $10,450. What was the cost per machine?

Need ! discuss how to convert the standard form of the equation of a circle to the general form. 50 points

Thales was an ancient philosopher familiar with similar triangles. one story about him says that he found the height of a pyramid by measuring its shadow and his own shadow at the same time. if the person is 5-ft tall, what is the height of the pyramid in the drawing?

Arestaurant charges $100 to rent its banquet room for an event. it also charges $15 to serve dinner to each guest. write an equation for the total cost of the banquet room in terms of the number of guests. deine your variables. what is the total cost of the banquet room for 20 guests?