Which of the following is true of a regular decagon? (choose all that apply) a). it has nine angles. b). it has ten sides. c). five of its sides are congruent. d).it has more sides than a pentagon.

What is the difference between the equations of a vertical and a horizontal line?

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.

When i'm with my factor 5, my prodect is 20 .when i'm with my addend 6' my sum is 10.what number am i