What is the area of a circle with the Diamter of 8 centimeters?

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

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.