When estimating the product of 5.7 and 34.3, sandy rounded each decimal to the nearest whole number. what would be a reasonable estimate for this multiplication problem?

Can someone me with this problem . show your work .

The center of a circle represent by the equation (x+9)^2+(y-6)^2=10^2 (-9,6), (-6,9), (6,-9) ,(9,-6)

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.