Find the area of this parallelogram

The last time i bought this product , it cost $20.00 but it looks like it cost 29. 60 today? what is the increase

Acircle has a circumference of 7.850 units. what is its radius?

Lizette is training for a marathon. at 7: 00 she left her house and ran until 8: 30, then she walked until 11: 30. she covered a total distance of 18 miles. her running speed was six miles per hour faster than her walking speed. find her running and walking speeds in miles per hour.