Tomas makes a balloon sculptures at a circus. in 180 minutes, he uses 253 balloons to make 36 identical balloon sculptures.
• what is the unit rate for balloons per minute?
•how many balloons will he use in 10 minutes.

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

Convert to the greater unit before finding the perimeters of this rectangle: 6ft. 6in. by 7ft.

Students are getting signatures for a petition to increase sports activities at the community center. the number of signatures they get each day is 3 times as many as the day before. the expression 3^6 represents the number of signatures they got on the sixth day. how many signatures did they get on the first day?