Lisa was asked to estimate the number of passengers on a commercial airplane. With the information that the plane has 35 rows and each row has 6 seats, she calculated an estimate of 260 seats. How would you describe her estimate based on the information given?

Fiona races bmx around a circular dirt course. if the radius of the course is 70 meters, what is the total distance fiona covers in two laps of the race? a. about 30,772 meters b. about 15,386 meters c. about 879.2 meters d. about 439.6 meters e. about 219.8 meters23 points hurry

If 20% of a number is 35, what is 50% of that number?

If the sales price of a dvd is $20 and the markup is 34%, what is the cost of the dvd?