Enter the equation of the circle with the given center and radius.

Center: (0, 9); radius: 9

The equation of the circle is

Abarbecue sold 26 hamburgers and hot dogs. hamburgers sell for $3.50 each and hot dogs sell for $2.00 each. if the barbecue made $70 in sales, determine and state the number of hot dogs sold.

For what value of (y) is 3^3/3^y =1/9

What is the value of the product (3-2i)(3+2i)?